13538312 has 16 divisors (see below), whose sum is σ = 25425360. Its totient is φ = 6758224.

The previous prime is 13538297. The next prime is 13538353. The reversal of 13538312 is 21383531.

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, 6683 + ... + 8469.

It is an arithmetic number, because the mean of its divisors is an integer number (1589085).

Almost surely, 2^13538312 is an apocalyptic number.

It is an amenable number.

13538312 is a deficient number, since it is larger than the sum of its proper divisors (11887048).

13538312 is a wasteful number, since it uses less digits than its factorization.

13538312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740 (or 2736 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 13538312 is about 3679.4445232942. Note that the first 3 decimals coincide. The cubic root of 13538312 is about 238.3351913831.

The spelling of 13538312 in words is "thirteen million, five hundred thirty-eight thousand, three hundred twelve".