13432656 has 20 divisors (see below), whose sum is σ = 34701152. Its totient is φ = 4477536.

The previous prime is 13432633. The next prime is 13432687. The reversal of 13432656 is 65623431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139876 + ... + 139971.

Almost surely, 2^13432656 is an apocalyptic number.

13432656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13432656 is an abundant number, since it is smaller than the sum of its proper divisors (21268496).

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

13432656 is a wasteful number, since it uses less digits than its factorization.

13432656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279858 (or 279852 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 13432656 is about 3665.0587989826. The cubic root of 13432656 is about 237.7135645032.

The spelling of 13432656 in words is "thirteen million, four hundred thirty-two thousand, six hundred fifty-six".