12556232 has 32 divisors (see below), whose sum is σ = 25548600. Its totient is φ = 5750784.

The previous prime is 12556231. The next prime is 12556237. The reversal of 12556232 is 23265521.

It can be written as a sum of positive squares in 4 ways, for example, as 6728836 + 5827396 = 2594^2 + 2414^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (12556231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15944 + ... + 16712.

Almost surely, 2^12556232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12556232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12774300).

12556232 is an abundant number, since it is smaller than the sum of its proper divisors (12992368).

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

12556232 is a wasteful number, since it uses less digits than its factorization.

12556232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 941 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 12556232 is about 3543.4773881034. The cubic root of 12556232 is about 232.4269289007.

The spelling of 12556232 in words is "twelve million, five hundred fifty-six thousand, two hundred thirty-two".