12339617 has 2 divisors, whose sum is σ = 12339618. Its totient is φ = 12339616.

The previous prime is 12339601. The next prime is 12339623. The reversal of 12339617 is 71693321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9728161 + 2611456 = 3119^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 12339617 - 2⁴ = 12339601 is a prime.

It is a super-2 number, since 2×12339617² = 304532295413378, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12339317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6169808 + 6169809.

It is an arithmetic number, because the mean of its divisors is an integer number (6169809).

Almost surely, 2^12339617 is an apocalyptic number.

It is an amenable number.

12339617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12339617 is an equidigital number, since it uses as much as digits as its factorization.

12339617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 32.

The square root of 12339617 is about 3512.7790992318. The cubic root of 12339617 is about 231.0825901089.

The spelling of 12339617 in words is "twelve million, three hundred thirty-nine thousand, six hundred seventeen".