15087472 has 20 divisors (see below), whose sum is σ = 29390976. Its totient is φ = 7502720.

The previous prime is 15087469. The next prime is 15087487. The reversal of 15087472 is 27478051.

It is a happy number.

It is a super-2 number, since 2×15087472² = 455263622701568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588 + ... + 5524.

Almost surely, 2^15087472 is an apocalyptic number.

It is an amenable number.

15087472 is a deficient number, since it is larger than the sum of its proper divisors (14303504).

15087472 is a wasteful number, since it uses less digits than its factorization.

15087472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136 (or 5130 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 15087472 is about 3884.2595175915. The cubic root of 15087472 is about 247.0996663791.

The spelling of 15087472 in words is "fifteen million, eighty-seven thousand, four hundred seventy-two".