12164279 has 2 divisors, whose sum is σ = 12164280. Its totient is φ = 12164278.

The previous prime is 12164239. The next prime is 12164287. The reversal of 12164279 is 97246121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12164279 - 2¹⁶ = 12098743 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 (12164239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6082139 + 6082140.

It is an arithmetic number, because the mean of its divisors is an integer number (6082140).

Almost surely, 2^12164279 is an apocalyptic number.

12164279 is a deficient number, since it is larger than the sum of its proper divisors (1).

12164279 is an equidigital number, since it uses as much as digits as its factorization.

12164279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 12164279 is about 3487.7326445701. The cubic root of 12164279 is about 229.9828531641.

The spelling of 12164279 in words is "twelve million, one hundred sixty-four thousand, two hundred seventy-nine".