12886939 has 8 divisors (see below), whose sum is σ = 13927760. Its totient is φ = 11853216.

The previous prime is 12886931. The next prime is 12886949. The reversal of 12886939 is 93968821.

12886939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12886939 - 2³ = 12886931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12886931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2377 + ... + 5605.

It is an arithmetic number, because the mean of its divisors is an integer number (1740970).

Almost surely, 2^12886939 is an apocalyptic number.

12886939 is a deficient number, since it is larger than the sum of its proper divisors (1040821).

12886939 is a wasteful number, since it uses less digits than its factorization.

12886939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549.

The product of its digits is 186624, while the sum is 46.

The square root of 12886939 is about 3589.8382971939. The cubic root of 12886939 is about 234.4498311336.

The spelling of 12886939 in words is "twelve million, eight hundred eighty-six thousand, nine hundred thirty-nine".