12875819 has 16 divisors (see below), whose sum is σ = 14760960. Its totient is φ = 11124000.

The previous prime is 12875803. The next prime is 12875839. The reversal of 12875819 is 91857821.

It is a cyclic number.

It is not a de Polignac number, because 12875819 - 2⁴ = 12875803 is a prime.

It is a super-2 number, since 2×12875819² = 331573429841522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12875839) 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 15 ways as a sum of consecutive naturals, for example, 20492 + ... + 21110.

It is an arithmetic number, because the mean of its divisors is an integer number (922560).

Almost surely, 2^12875819 is an apocalyptic number.

12875819 is a deficient number, since it is larger than the sum of its proper divisors (1885141).

12875819 is a wasteful number, since it uses less digits than its factorization.

12875819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

The product of its digits is 40320, while the sum is 41.

The square root of 12875819 is about 3588.2891466547. The cubic root of 12875819 is about 234.3823769885.

The spelling of 12875819 in words is "twelve million, eight hundred seventy-five thousand, eight hundred nineteen".