1,258,764

2² × 3 × 13 × 8069

1,258,764 has digital root 6. The neighboring primes are 1258753 and 1258771; its proper-divisor sum differs from the starting integer by 645,912.

Prime Factor Structure

Factorization String 2^2 × 3 × 13 × 8069

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 24

Divisor Sum (σ) 3,163,440

Proper Divisor Sum 1,904,676

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1258753 ← → #1258771

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

1,258,764 629,382 314,691 944,074 472,037 1,416,112 708,056 354,028 177,014 88,507 265,522 132,761 398,284 199,142 99,571 298,714 149,357 448,072 224,036 112,018 56,009 168,028 84,014 42,007 126,022 63,011 189,034 94,517 283,552 141,776 70,888 35,444 17,722 8,861 26,584 13,292 6,646 3,323 9,970 4,985 14,956 7,478 3,739 11,218 5,609 16,828 8,414 4,207 12,622 6,311 18,934 9,467 28,402 14,201 42,604 21,302 10,651 31,954 15,977 47,932