12875851 has 4 divisors (see below), whose sum is σ = 13633272. Its totient is φ = 12118432.

The previous prime is 12875839. The next prime is 12875857. The reversal of 12875851 is 15857821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12875851 - 2⁹ = 12875339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12875851.

It is not an unprimeable number, because it can be changed into a prime (12875857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378685 + ... + 378718.

It is an arithmetic number, because the mean of its divisors is an integer number (3408318).

Almost surely, 2^12875851 is an apocalyptic number.

12875851 is a deficient number, since it is larger than the sum of its proper divisors (757421).

12875851 is an equidigital number, since it uses as much as digits as its factorization.

12875851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757420.

The product of its digits is 22400, while the sum is 37.

The square root of 12875851 is about 3588.2936056014. The cubic root of 12875851 is about 234.3825711569.

The spelling of 12875851 in words is "twelve million, eight hundred seventy-five thousand, eight hundred fifty-one".