12832656 has 40 divisors (see below), whose sum is σ = 33491904. Its totient is φ = 4233600.

The previous prime is 12832649. The next prime is 12832661. The reversal of 12832656 is 65623821.

12832656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3525 + ... + 6171.

Almost surely, 2^12832656 is an apocalyptic number.

12832656 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 12832656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16745952).

12832656 is an abundant number, since it is smaller than the sum of its proper divisors (20659248).

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

12832656 is a wasteful number, since it uses less digits than its factorization.

12832656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759 (or 2753 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 12832656 is about 3582.2696715909. The cubic root of 12832656 is about 234.1201807959.

The spelling of 12832656 in words is "twelve million, eight hundred thirty-two thousand, six hundred fifty-six".