15047872 has 28 divisors (see below), whose sum is σ = 34127440. Its totient is φ = 6448896.

The previous prime is 15047843. The next prime is 15047881. The reversal of 15047872 is 27874051.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16347 + ... + 17242.

Almost surely, 2^15047872 is an apocalyptic number.

It is an amenable number.

15047872 is an abundant number, since it is smaller than the sum of its proper divisors (19079568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15047872 is an equidigital number, since it uses as much as digits as its factorization.

15047872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33608 (or 33598 counting only the distinct ones).

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

The square root of 15047872 is about 3879.1586716710. The cubic root of 15047872 is about 246.8832899422.

The spelling of 15047872 in words is "fifteen million, forty-seven thousand, eight hundred seventy-two".