12915528 has 16 divisors (see below), whose sum is σ = 32288880. Its totient is φ = 4305168.

The previous prime is 12915493. The next prime is 12915557. The reversal of 12915528 is 82551921.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269050 + ... + 269097.

It is an arithmetic number, because the mean of its divisors is an integer number (2018055).

Almost surely, 2^12915528 is an apocalyptic number.

It is an amenable number.

12915528 is an abundant number, since it is smaller than the sum of its proper divisors (19373352).

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

12915528 is a wasteful number, since it uses less digits than its factorization.

12915528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538156 (or 538152 counting only the distinct ones).

The product of its digits is 7200, while the sum is 33.

The square root of 12915528 is about 3593.8180254431. The cubic root of 12915528 is about 234.6230746478.

The spelling of 12915528 in words is "twelve million, nine hundred fifteen thousand, five hundred twenty-eight".