15131372 has 24 divisors (see below), whose sum is σ = 28632240. Its totient is φ = 6972480.

The previous prime is 15131357. The next prime is 15131381. The reversal of 15131372 is 27313151.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122 + ... + 5502.

It is an arithmetic number, because the mean of its divisors is an integer number (1193010).

Almost surely, 2^15131372 is an apocalyptic number.

It is an amenable number.

15131372 is a deficient number, since it is larger than the sum of its proper divisors (13500868).

15131372 is a wasteful number, since it uses less digits than its factorization.

15131372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441 (or 5439 counting only the distinct ones).

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

The square root of 15131372 is about 3889.9064256097. The cubic root of 15131372 is about 247.3390961783.

The spelling of 15131372 in words is "fifteen million, one hundred thirty-one thousand, three hundred seventy-two".