13631164 has 12 divisors (see below), whose sum is σ = 24043264. Its totient is φ = 6761664.

The previous prime is 13631159. The next prime is 13631171. The reversal of 13631164 is 46113631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12909 + ... + 13924.

Almost surely, 2^13631164 is an apocalyptic number.

It is an amenable number.

13631164 is a deficient number, since it is larger than the sum of its proper divisors (10412100).

13631164 is a wasteful number, since it uses less digits than its factorization.

13631164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26964 (or 26962 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 13631164 is about 3692.0406281622. The cubic root of 13631164 is about 238.8788214094.

Adding to 13631164 its reverse (46113631), we get a palindrome (59744795).

The spelling of 13631164 in words is "thirteen million, six hundred thirty-one thousand, one hundred sixty-four".