12279167 has 2 divisors, whose sum is σ = 12279168. Its totient is φ = 12279166.

The previous prime is 12279161. The next prime is 12279233. The reversal of 12279167 is 76197221.

It is a weak prime.

It is an emirp because it is prime and its reverse (76197221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12279167 - 2⁸ = 12278911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12279161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6139583 + 6139584.

It is an arithmetic number, because the mean of its divisors is an integer number (6139584).

Almost surely, 2^12279167 is an apocalyptic number.

12279167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12279167 is an equidigital number, since it uses as much as digits as its factorization.

12279167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 35.

The square root of 12279167 is about 3504.1642370186. The cubic root of 12279167 is about 230.7046255019.

The spelling of 12279167 in words is "twelve million, two hundred seventy-nine thousand, one hundred sixty-seven".