12574656 has 112 divisors (see below), whose sum is σ = 39014400. Its totient is φ = 3960576.

The previous prime is 12574649. The next prime is 12574669. The reversal of 12574656 is 65647521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12574656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32641 + ... + 33023.

Almost surely, 2^12574656 is an apocalyptic number.

12574656 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 12574656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19507200).

12574656 is an abundant number, since it is smaller than the sum of its proper divisors (26439744).

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

12574656 is a wasteful number, since it uses less digits than its factorization.

12574656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 407 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 12574656 is about 3546.0761413145. The cubic root of 12574656 is about 232.5405548403.

The spelling of 12574656 in words is "twelve million, five hundred seventy-four thousand, six hundred fifty-six".