12700528 has 20 divisors (see below), whose sum is σ = 25132320. Its totient is φ = 6214784.

The previous prime is 12700511. The next prime is 12700537. The reversal of 12700528 is 82500721.

It is a super-2 number, since 2×12700528² = 322606822957568, 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7693 + ... + 9196.

It is an arithmetic number, because the mean of its divisors is an integer number (1256616).

Almost surely, 2^12700528 is an apocalyptic number.

It is an amenable number.

12700528 is a deficient number, since it is larger than the sum of its proper divisors (12431792).

12700528 is a wasteful number, since it uses less digits than its factorization.

12700528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16944 (or 16938 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 12700528 is about 3563.7800156575. The cubic root of 12700528 is about 233.3138886291.

The spelling of 12700528 in words is "twelve million, seven hundred thousand, five hundred twenty-eight".