12512870 has 8 divisors (see below), whose sum is σ = 22523184. Its totient is φ = 5005144.

The previous prime is 12512839. The next prime is 12512881. The reversal of 12512870 is 7821521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 625634 + ... + 625653.

It is an arithmetic number, because the mean of its divisors is an integer number (2815398).

Almost surely, 2^12512870 is an apocalyptic number.

12512870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12512870 is a deficient number, since it is larger than the sum of its proper divisors (10010314).

12512870 is a wasteful number, since it uses less digits than its factorization.

12512870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251294.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12512870 is about 3537.3535305366. The cubic root of 12512870 is about 232.1590640249.

The spelling of 12512870 in words is "twelve million, five hundred twelve thousand, eight hundred seventy".