15317132 has 6 divisors (see below), whose sum is σ = 26804988. Its totient is φ = 7658564.

The previous prime is 15317117. The next prime is 15317177. The reversal of 15317132 is 23171351.

15317132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15317132² = 469229065410848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15317098 and 15317107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1914638 + ... + 1914645.

It is an arithmetic number, because the mean of its divisors is an integer number (4467498).

Almost surely, 2^15317132 is an apocalyptic number.

It is an amenable number.

15317132 is a deficient number, since it is larger than the sum of its proper divisors (11487856).

15317132 is a wasteful number, since it uses less digits than its factorization.

15317132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829287 (or 3829285 counting only the distinct ones).

The product of its digits is 630, while the sum is 23.

The square root of 15317132 is about 3913.7107711225. The cubic root of 15317132 is about 248.3471335464.

Adding to 15317132 its reverse (23171351), we get a palindrome (38488483).

The spelling of 15317132 in words is "fifteen million, three hundred seventeen thousand, one hundred thirty-two".