12856877 has 8 divisors (see below), whose sum is σ = 14155680. Its totient is φ = 11579760.

The previous prime is 12856873. The next prime is 12856891. The reversal of 12856877 is 77865821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12856877 - 2² = 12856873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12856873) 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 7 ways as a sum of consecutive naturals, for example, 4163 + ... + 6560.

It is an arithmetic number, because the mean of its divisors is an integer number (1769460).

Almost surely, 2^12856877 is an apocalyptic number.

It is an amenable number.

12856877 is a deficient number, since it is larger than the sum of its proper divisors (1298803).

12856877 is a wasteful number, since it uses less digits than its factorization.

12856877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10843.

The product of its digits is 188160, while the sum is 44.

The square root of 12856877 is about 3585.6487558042. The cubic root of 12856877 is about 234.2673849538.

The spelling of 12856877 in words is "twelve million, eight hundred fifty-six thousand, eight hundred seventy-seven".