12616528 has 20 divisors (see below), whose sum is σ = 24515668. Its totient is φ = 6289920.

The previous prime is 12616523. The next prime is 12616529. The reversal of 12616528 is 82561621.

It can be written as a sum of positive squares in 2 ways, for example, as 169744 + 12446784 = 412^2 + 3528^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12616528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12616523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5800 + ... + 7672.

Almost surely, 2^12616528 is an apocalyptic number.

It is an amenable number.

12616528 is a deficient number, since it is larger than the sum of its proper divisors (11899140).

12616528 is a wasteful number, since it uses less digits than its factorization.

12616528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302 (or 2296 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 12616528 is about 3551.9752251388. The cubic root of 12616528 is about 232.7983790033.

The spelling of 12616528 in words is "twelve million, six hundred sixteen thousand, five hundred twenty-eight".