12329279 has 2 divisors, whose sum is σ = 12329280. Its totient is φ = 12329278.

The previous prime is 12329243. The next prime is 12329297. The reversal of 12329279 is 97292321.

Together with next prime (12329297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12329279 is a prime.

It is a super-2 number, since 2×12329279² = 304022241319682, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12329209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6164639 + 6164640.

It is an arithmetic number, because the mean of its divisors is an integer number (6164640).

Almost surely, 2^12329279 is an apocalyptic number.

12329279 is a deficient number, since it is larger than the sum of its proper divisors (1).

12329279 is an equidigital number, since it uses as much as digits as its factorization.

12329279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 12329279 is about 3511.3073064031. The cubic root of 12329279 is about 231.0180392327.

The spelling of 12329279 in words is "twelve million, three hundred twenty-nine thousand, two hundred seventy-nine".