15087872 has 18 divisors (see below), whose sum is σ = 30117318. Its totient is φ = 7543808.

The previous prime is 15087851. The next prime is 15087887. The reversal of 15087872 is 27878051.

It can be written as a sum of positive squares in only one way, i.e., 8202496 + 6885376 = 2864^2 + 2624^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29213 + ... + 29724.

Almost surely, 2^15087872 is an apocalyptic number.

It is an amenable number.

15087872 is a deficient number, since it is larger than the sum of its proper divisors (15029446).

15087872 is an frugal number, since it uses more digits than its factorization.

15087872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58953 (or 58939 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 15087872 is about 3884.3110071157. The cubic root of 15087872 is about 247.1018500671.

The spelling of 15087872 in words is "fifteen million, eighty-seven thousand, eight hundred seventy-two".