11715967 has 2 divisors, whose sum is σ = 11715968. Its totient is φ = 11715966.

The previous prime is 11715961. The next prime is 11715983. The reversal of 11715967 is 76951711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11715967 - 2³ = 11715959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11715961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5857983 + 5857984.

It is an arithmetic number, because the mean of its divisors is an integer number (5857984).

Almost surely, 2^11715967 is an apocalyptic number.

11715967 is a deficient number, since it is larger than the sum of its proper divisors (1).

11715967 is an equidigital number, since it uses as much as digits as its factorization.

11715967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 37.

The square root of 11715967 is about 3422.8594771039. The cubic root of 11715967 is about 227.1220920703.

The spelling of 11715967 in words is "eleven million, seven hundred fifteen thousand, nine hundred sixty-seven".