12916279 has 2 divisors, whose sum is σ = 12916280. Its totient is φ = 12916278.

The previous prime is 12916261. The next prime is 12916289. The reversal of 12916279 is 97261921.

12916279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (97261921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12916279 - 2⁵ = 12916247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12916289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6458139 + 6458140.

It is an arithmetic number, because the mean of its divisors is an integer number (6458140).

Almost surely, 2^12916279 is an apocalyptic number.

12916279 is a deficient number, since it is larger than the sum of its proper divisors (1).

12916279 is an equidigital number, since it uses as much as digits as its factorization.

12916279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 37.

The square root of 12916279 is about 3593.9225089031. The cubic root of 12916279 is about 234.6276221072.

The spelling of 12916279 in words is "twelve million, nine hundred sixteen thousand, two hundred seventy-nine".