13633964 has 12 divisors (see below), whose sum is σ = 24216024. Its totient is φ = 6715104.

The previous prime is 13633943. The next prime is 13633979. The reversal of 13633964 is 46933631.

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, 25169 + ... + 25704.

It is an arithmetic number, because the mean of its divisors is an integer number (2018002).

Almost surely, 2^13633964 is an apocalyptic number.

It is an amenable number.

13633964 is a deficient number, since it is larger than the sum of its proper divisors (10582060).

13633964 is a wasteful number, since it uses less digits than its factorization.

13633964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50944 (or 50942 counting only the distinct ones).

The product of its digits is 34992, while the sum is 35.

The square root of 13633964 is about 3692.4198027852. The cubic root of 13633964 is about 238.8951764545.

The spelling of 13633964 in words is "thirteen million, six hundred thirty-three thousand, nine hundred sixty-four".