12520870 has 16 divisors (see below), whose sum is σ = 22580208. Its totient is φ = 4998880.

The previous prime is 12520853. The next prime is 12520873. The reversal of 12520870 is 7802521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520873) 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, 7185 + ... + 8755.

It is an arithmetic number, because the mean of its divisors is an integer number (1411263).

Almost surely, 2^12520870 is an apocalyptic number.

12520870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12520870 is a deficient number, since it is larger than the sum of its proper divisors (10059338).

12520870 is a wasteful number, since it uses less digits than its factorization.

12520870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375.

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

The square root of 12520870 is about 3538.4841387238. The cubic root of 12520870 is about 232.2085298107.

The spelling of 12520870 in words is "twelve million, five hundred twenty thousand, eight hundred seventy".