12397379 has 2 divisors, whose sum is σ = 12397380. Its totient is φ = 12397378.

The previous prime is 12397351. The next prime is 12397397. The reversal of 12397379 is 97379321.

Together with next prime (12397397) 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 not a de Polignac number, because 12397379 - 2¹⁶ = 12331843 is a prime.

It is not a weakly prime, because it can be changed into another prime (12397309) 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, 6198689 + 6198690.

It is an arithmetic number, because the mean of its divisors is an integer number (6198690).

Almost surely, 2^12397379 is an apocalyptic number.

12397379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12397379 is an equidigital number, since it uses as much as digits as its factorization.

12397379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71442, while the sum is 41.

The square root of 12397379 is about 3520.9911956720. The cubic root of 12397379 is about 231.4425964058.

The spelling of 12397379 in words is "twelve million, three hundred ninety-seven thousand, three hundred seventy-nine".