12868407 has 12 divisors (see below), whose sum is σ = 18635760. Its totient is φ = 8556768.

The previous prime is 12868399. The next prime is 12868411. The reversal of 12868407 is 70486821.

It is not a de Polignac number, because 12868407 - 2³ = 12868399 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12868487) 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 11 ways as a sum of consecutive naturals, for example, 2323 + ... + 5579.

It is an arithmetic number, because the mean of its divisors is an integer number (1552980).

Almost surely, 2^12868407 is an apocalyptic number.

12868407 is a deficient number, since it is larger than the sum of its proper divisors (5767353).

12868407 is a wasteful number, since it uses less digits than its factorization.

12868407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702 (or 3699 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 12868407 is about 3587.2561938061. The cubic root of 12868407 is about 234.3373940730.

The spelling of 12868407 in words is "twelve million, eight hundred sixty-eight thousand, four hundred seven".