12939075 has 48 divisors (see below), whose sum is σ = 24626400. Its totient is φ = 6652800.

The previous prime is 12939061. The next prime is 12939077. The reversal of 12939075 is 57093921.

It is not a de Polignac number, because 12939075 - 2¹¹ = 12937027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12939077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19245 + ... + 19905.

It is an arithmetic number, because the mean of its divisors is an integer number (513050).

Almost surely, 2^12939075 is an apocalyptic number.

12939075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12939075 is a deficient number, since it is larger than the sum of its proper divisors (11687325).

12939075 is a wasteful number, since it uses less digits than its factorization.

12939075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 12939075 is about 3597.0925759563. The cubic root of 12939075 is about 234.7655727709.

It can be divided in two parts, 129 and 39075, that added together give a square (39204 = 198²).

The spelling of 12939075 in words is "twelve million, nine hundred thirty-nine thousand, seventy-five".