13691164 has 12 divisors (see below), whose sum is σ = 25001424. Its totient is φ = 6547904.

The previous prime is 13691159. The next prime is 13691177. The reversal of 13691164 is 46119631.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 74317 + ... + 74500.

It is an arithmetic number, because the mean of its divisors is an integer number (2083452).

Almost surely, 2^13691164 is an apocalyptic number.

It is an amenable number.

13691164 is a deficient number, since it is larger than the sum of its proper divisors (11310260).

13691164 is a wasteful number, since it uses less digits than its factorization.

13691164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148844 (or 148842 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 13691164 is about 3700.1572939539. The cubic root of 13691164 is about 239.2287976648.

The spelling of 13691164 in words is "thirteen million, six hundred ninety-one thousand, one hundred sixty-four".