13388956 has 18 divisors (see below), whose sum is σ = 27256488. Its totient is φ = 5738040.

The previous prime is 13388941. The next prime is 13388959. The reversal of 13388956 is 65988331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13388959) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 33960 + ... + 34351.

Almost surely, 2^13388956 is an apocalyptic number.

It is an amenable number.

13388956 is an abundant number, since it is smaller than the sum of its proper divisors (13867532).

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

13388956 is a wasteful number, since it uses less digits than its factorization.

13388956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68329 (or 68320 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 13388956 is about 3659.0922371539. The cubic root of 13388956 is about 237.4555026516.

The spelling of 13388956 in words is "thirteen million, three hundred eighty-eight thousand, nine hundred fifty-six".