12170167 has 2 divisors, whose sum is σ = 12170168. Its totient is φ = 12170166.

The previous prime is 12170149. The next prime is 12170173. The reversal of 12170167 is 76107121.

It is a strong prime.

It is an emirp because it is prime and its reverse (76107121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12170167 - 2²³ = 3781559 is a prime.

It is a super-2 number, since 2×12170167² = 296225929615778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12170117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6085083 + 6085084.

It is an arithmetic number, because the mean of its divisors is an integer number (6085084).

Almost surely, 2^12170167 is an apocalyptic number.

12170167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12170167 is an equidigital number, since it uses as much as digits as its factorization.

12170167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 12170167 is about 3488.5766438477. The cubic root of 12170167 is about 230.0199541604.

Adding to 12170167 its reverse (76107121), we get a palindrome (88277288).

The spelling of 12170167 in words is "twelve million, one hundred seventy thousand, one hundred sixty-seven".