13972256 has 24 divisors (see below), whose sum is σ = 27861120. Its totient is φ = 6896448.

The previous prime is 13972253. The next prime is 13972261. The reversal of 13972256 is 65227931.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13972253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (1160880).

Almost surely, 2^13972256 is an apocalyptic number.

13972256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13972256 is a deficient number, since it is larger than the sum of its proper divisors (13888864).

13972256 is an equidigital number, since it uses as much as digits as its factorization.

13972256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616 (or 5608 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 13972256 is about 3737.9481002283. The cubic root of 13972256 is about 240.8549140221.

The spelling of 13972256 in words is "thirteen million, nine hundred seventy-two thousand, two hundred fifty-six".