12668807 has 2 divisors, whose sum is σ = 12668808. Its totient is φ = 12668806.

The previous prime is 12668797. The next prime is 12668809. The reversal of 12668807 is 70886621.

12668807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12668807 - 2¹⁰ = 12667783 is a prime.

Together with 12668809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12668809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6334403 + 6334404.

It is an arithmetic number, because the mean of its divisors is an integer number (6334404).

Almost surely, 2^12668807 is an apocalyptic number.

12668807 is a deficient number, since it is larger than the sum of its proper divisors (1).

12668807 is an equidigital number, since it uses as much as digits as its factorization.

12668807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 12668807 is about 3559.3267621841. The cubic root of 12668807 is about 233.1194841131.

The spelling of 12668807 in words is "twelve million, six hundred sixty-eight thousand, eight hundred seven".