12810407 has 2 divisors, whose sum is σ = 12810408. Its totient is φ = 12810406.

The previous prime is 12810397. The next prime is 12810433. The reversal of 12810407 is 70401821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12810407 - 2¹⁶ = 12744871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12810437) 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 as a sum of consecutive naturals, namely, 6405203 + 6405204.

It is an arithmetic number, because the mean of its divisors is an integer number (6405204).

Almost surely, 2^12810407 is an apocalyptic number.

12810407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12810407 is an equidigital number, since it uses as much as digits as its factorization.

12810407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 12810407 is about 3579.1628909565. The cubic root of 12810407 is about 233.9847982430.

The spelling of 12810407 in words is "twelve million, eight hundred ten thousand, four hundred seven".