13389956 has 12 divisors (see below), whose sum is σ = 24451392. Its totient is φ = 6403848.

The previous prime is 13389953. The next prime is 13389997. The reversal of 13389956 is 65998331.

It is not an unprimeable number, because it can be changed into a prime (13389953) 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, 72680 + ... + 72863.

It is an arithmetic number, because the mean of its divisors is an integer number (2037616).

Almost surely, 2^13389956 is an apocalyptic number.

It is an amenable number.

13389956 is a deficient number, since it is larger than the sum of its proper divisors (11061436).

13389956 is a wasteful number, since it uses less digits than its factorization.

13389956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145570 (or 145568 counting only the distinct ones).

The product of its digits is 174960, while the sum is 44.

The square root of 13389956 is about 3659.2288805157. The cubic root of 13389956 is about 237.4614142301.

The spelling of 13389956 in words is "thirteen million, three hundred eighty-nine thousand, nine hundred fifty-six".