13388976 has 50 divisors (see below), whose sum is σ = 38755332. Its totient is φ = 4462560.

The previous prime is 13388959. The next prime is 13388987. The reversal of 13388976 is 67988331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3870 + ... + 6461.

Almost surely, 2^13388976 is an apocalyptic number.

13388976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13388976 is an abundant number, since it is smaller than the sum of its proper divisors (25366356).

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

13388976 is a wasteful number, since it uses less digits than its factorization.

13388976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10351 (or 10336 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 13388976 is about 3659.0949700712. The cubic root of 13388976 is about 237.4556208861.

The spelling of 13388976 in words is "thirteen million, three hundred eighty-eight thousand, nine hundred seventy-six".