12311339 has 2 divisors, whose sum is σ = 12311340. Its totient is φ = 12311338.

The previous prime is 12311333. The next prime is 12311347. The reversal of 12311339 is 93311321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12311339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12311333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155669 + 6155670.

It is an arithmetic number, because the mean of its divisors is an integer number (6155670).

Almost surely, 2^12311339 is an apocalyptic number.

12311339 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311339 is an equidigital number, since it uses as much as digits as its factorization.

12311339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486, while the sum is 23.

The square root of 12311339 is about 3508.7517723544. The cubic root of 12311339 is about 230.9059354777.

The spelling of 12311339 in words is "twelve million, three hundred eleven thousand, three hundred thirty-nine".