12939875 has 16 divisors (see below), whose sum is σ = 17393376. Its totient is φ = 9554400.

The previous prime is 12939859. The next prime is 12939889. The reversal of 12939875 is 57893921.

12939875 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12939875 - 2⁴ = 12939859 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2357 + ... + 5606.

It is an arithmetic number, because the mean of its divisors is an integer number (1087086).

Almost surely, 2^12939875 is an apocalyptic number.

12939875 is a deficient number, since it is larger than the sum of its proper divisors (4453501).

12939875 is an equidigital number, since it uses as much as digits as its factorization.

12939875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7991 (or 7981 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 12939875 is about 3597.2037751565. The cubic root of 12939875 is about 234.7704110505.

It can be divided in two parts, 129 and 39875, that added together give a palindrome (40004).

The spelling of 12939875 in words is "twelve million, nine hundred thirty-nine thousand, eight hundred seventy-five".