12926256 has 160 divisors (see below), whose sum is σ = 42283008. Its totient is φ = 3317760.

The previous prime is 12926231. The next prime is 12926267. The reversal of 12926256 is 65262921.

12926256 = 620² + 621² + ... + 651².

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177036 + ... + 177108.

Almost surely, 2^12926256 is an apocalyptic number.

12926256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12926256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21141504).

12926256 is an abundant number, since it is smaller than the sum of its proper divisors (29356752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12926256 is a wasteful number, since it uses less digits than its factorization.

12926256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 133 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 12926256 is about 3595.3102786825. The cubic root of 12926256 is about 234.6880181732.

The spelling of 12926256 in words is "twelve million, nine hundred twenty-six thousand, two hundred fifty-six".