12617863 has 2 divisors, whose sum is σ = 12617864. Its totient is φ = 12617862.

The previous prime is 12617849. The next prime is 12617867. The reversal of 12617863 is 36871621.

12617863 is digitally balanced in base 3, 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 12617863 - 2²¹ = 10520711 is a prime.

It is equal to p₈₂₅₉₁₉ and since 12617863 and 825919 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12617867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6308931 + 6308932.

It is an arithmetic number, because the mean of its divisors is an integer number (6308932).

Almost surely, 2^12617863 is an apocalyptic number.

12617863 is a deficient number, since it is larger than the sum of its proper divisors (1).

12617863 is an equidigital number, since it uses as much as digits as its factorization.

12617863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 12617863 is about 3552.1631437759. The cubic root of 12617863 is about 232.8065897904.

The spelling of 12617863 in words is "twelve million, six hundred seventeen thousand, eight hundred sixty-three".