15331996 has 6 divisors (see below), whose sum is σ = 26831000. Its totient is φ = 7665996.

The previous prime is 15331973. The next prime is 15331997. The reversal of 15331996 is 69913351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15331997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1916496 + ... + 1916503.

Almost surely, 2^15331996 is an apocalyptic number.

It is an amenable number.

15331996 is a deficient number, since it is larger than the sum of its proper divisors (11499004).

15331996 is a wasteful number, since it uses less digits than its factorization.

15331996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833003 (or 3833001 counting only the distinct ones).

The product of its digits is 21870, while the sum is 37.

The square root of 15331996 is about 3915.6092757067. The cubic root of 15331996 is about 248.4274409729.

The spelling of 15331996 in words is "fifteen million, three hundred thirty-one thousand, nine hundred ninety-six".