12856163 has 2 divisors, whose sum is σ = 12856164. Its totient is φ = 12856162.

The previous prime is 12856153. The next prime is 12856169. The reversal of 12856163 is 36165821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12856163 - 2⁶ = 12856099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12856169) 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 as a sum of consecutive naturals, namely, 6428081 + 6428082.

It is an arithmetic number, because the mean of its divisors is an integer number (6428082).

Almost surely, 2^12856163 is an apocalyptic number.

12856163 is a deficient number, since it is larger than the sum of its proper divisors (1).

12856163 is an equidigital number, since it uses as much as digits as its factorization.

12856163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 12856163 is about 3585.5491908493. The cubic root of 12856163 is about 234.2630482343.

The spelling of 12856163 in words is "twelve million, eight hundred fifty-six thousand, one hundred sixty-three".