13256432 has 20 divisors (see below), whose sum is σ = 29353776. Its totient is φ = 5681280.

The previous prime is 13256423. The next prime is 13256443. The reversal of 13256432 is 23465231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59069 + ... + 59292.

Almost surely, 2^13256432 is an apocalyptic number.

It is an amenable number.

13256432 is an abundant number, since it is smaller than the sum of its proper divisors (16097344).

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

13256432 is a wasteful number, since it uses less digits than its factorization.

13256432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118376 (or 118370 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 13256432 is about 3640.9383405930. The cubic root of 13256432 is about 236.6694579670.

The spelling of 13256432 in words is "thirteen million, two hundred fifty-six thousand, four hundred thirty-two".