12970138 has 16 divisors (see below), whose sum is σ = 19863360. Its totient is φ = 6350400.

The previous prime is 12970127. The next prime is 12970151. The reversal of 12970138 is 83107921.

12970138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34033 + ... + 34411.

It is an arithmetic number, because the mean of its divisors is an integer number (1241460).

Almost surely, 2^12970138 is an apocalyptic number.

12970138 is a deficient number, since it is larger than the sum of its proper divisors (6893222).

12970138 is a wasteful number, since it uses less digits than its factorization.

12970138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 12970138 is about 3601.4077802993. The cubic root of 12970138 is about 234.9532908524.

The spelling of 12970138 in words is "twelve million, nine hundred seventy thousand, one hundred thirty-eight".