12875238 has 24 divisors (see below), whose sum is σ = 27993576. Its totient is φ = 4276800.

The previous prime is 12875221. The next prime is 12875243. The reversal of 12875238 is 83257821.

12875238 is a `hidden beast` number, since 128 + 7 + 523 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4878 + ... + 7038.

It is an arithmetic number, because the mean of its divisors is an integer number (1166399).

Almost surely, 2^12875238 is an apocalyptic number.

12875238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12875238 is an abundant number, since it is smaller than the sum of its proper divisors (15118338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12875238 is a wasteful number, since it uses less digits than its factorization.

12875238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500 (or 2497 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 12875238 is about 3588.2081879400. The cubic root of 12875238 is about 234.3788515634.

The spelling of 12875238 in words is "twelve million, eight hundred seventy-five thousand, two hundred thirty-eight".