12556974 has 8 divisors (see below), whose sum is σ = 25113960. Its totient is φ = 4185656.

The previous prime is 12556969. The next prime is 12556997. The reversal of 12556974 is 47965521.

It is a sphenic number, since it is the product of 3 distinct primes.

12556974 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046409 + ... + 1046420.

It is an arithmetic number, because the mean of its divisors is an integer number (3139245).

Almost surely, 2^12556974 is an apocalyptic number.

12556974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12556974 is a wasteful number, since it uses less digits than its factorization.

12556974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092834.

The product of its digits is 75600, while the sum is 39.

The square root of 12556974 is about 3543.5820859689. The cubic root of 12556974 is about 232.4315071687.

It can be divided in two parts, 12556 and 974, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 12556974 in words is "twelve million, five hundred fifty-six thousand, nine hundred seventy-four".