12875385 has 16 divisors (see below), whose sum is σ = 21265920. Its totient is φ = 6645120.

The previous prime is 12875381. The next prime is 12875399. The reversal of 12875385 is 58357821.

It is not a de Polignac number, because 12875385 - 2² = 12875381 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12875381) 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 15 ways as a sum of consecutive naturals, for example, 13380 + ... + 14309.

It is an arithmetic number, because the mean of its divisors is an integer number (1329120).

Almost surely, 2^12875385 is an apocalyptic number.

12875385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12875385 is a deficient number, since it is larger than the sum of its proper divisors (8390535).

12875385 is a wasteful number, since it uses less digits than its factorization.

12875385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27728.

The product of its digits is 67200, while the sum is 39.

The square root of 12875385 is about 3588.2286716429. The cubic root of 12875385 is about 234.3797435484.

The spelling of 12875385 in words is "twelve million, eight hundred seventy-five thousand, three hundred eighty-five".