15317996 has 6 divisors (see below), whose sum is σ = 26806500. Its totient is φ = 7658996.

The previous prime is 15317989. The next prime is 15318001. The reversal of 15317996 is 69971351.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1914746 + ... + 1914753.

It is an arithmetic number, because the mean of its divisors is an integer number (4467750).

Almost surely, 2^15317996 is an apocalyptic number.

It is an amenable number.

15317996 is a deficient number, since it is larger than the sum of its proper divisors (11488504).

15317996 is a wasteful number, since it uses less digits than its factorization.

15317996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829503 (or 3829501 counting only the distinct ones).

The product of its digits is 51030, while the sum is 41.

The square root of 15317996 is about 3913.8211507426. The cubic root of 15317996 is about 248.3518029995.

The spelling of 15317996 in words is "fifteen million, three hundred seventeen thousand, nine hundred ninety-six".