12963967 has 2 divisors, whose sum is σ = 12963968. Its totient is φ = 12963966.

The previous prime is 12963943. The next prime is 12963971. The reversal of 12963967 is 76936921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12963967 - 2¹¹ = 12961919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12963767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6481983 + 6481984.

It is an arithmetic number, because the mean of its divisors is an integer number (6481984).

Almost surely, 2^12963967 is an apocalyptic number.

12963967 is a deficient number, since it is larger than the sum of its proper divisors (1).

12963967 is an equidigital number, since it uses as much as digits as its factorization.

12963967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 43.

The square root of 12963967 is about 3600.5509300661. The cubic root of 12963967 is about 234.9160225066.

The spelling of 12963967 in words is "twelve million, nine hundred sixty-three thousand, nine hundred sixty-seven".