12520884 has 24 divisors (see below), whose sum is σ = 29338848. Its totient is φ = 4156000.

The previous prime is 12520883. The next prime is 12520889. The reversal of 12520884 is 48802521.

It is a super-2 number, since 2×12520884² = 313545072282912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934 + ... + 5090.

It is an arithmetic number, because the mean of its divisors is an integer number (1222452).

Almost surely, 2^12520884 is an apocalyptic number.

It is an amenable number.

12520884 is an abundant number, since it is smaller than the sum of its proper divisors (16817964).

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

12520884 is a wasteful number, since it uses less digits than its factorization.

12520884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415 (or 4413 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 12520884 is about 3538.4861169715. The cubic root of 12520884 is about 232.2086163574.

The spelling of 12520884 in words is "twelve million, five hundred twenty thousand, eight hundred eighty-four".