13117964 has 6 divisors (see below), whose sum is σ = 22956444. Its totient is φ = 6558980.

The previous prime is 13117963. The next prime is 13117969. The reversal of 13117964 is 46971131.

It is a self number, because there is not a number n which added to its sum of digits gives 13117964.

It is not an unprimeable number, because it can be changed into a prime (13117963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639742 + ... + 1639749.

It is an arithmetic number, because the mean of its divisors is an integer number (3826074).

Almost surely, 2^13117964 is an apocalyptic number.

It is an amenable number.

13117964 is a deficient number, since it is larger than the sum of its proper divisors (9838480).

13117964 is a wasteful number, since it uses less digits than its factorization.

13117964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279495 (or 3279493 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 13117964 is about 3621.8729961168. The cubic root of 13117964 is about 235.8425407580.

The spelling of 13117964 in words is "thirteen million, one hundred seventeen thousand, nine hundred sixty-four".