12320339 has 2 divisors, whose sum is σ = 12320340. Its totient is φ = 12320338.

The previous prime is 12320309. The next prime is 12320351. The reversal of 12320339 is 93302321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12320339 - 2⁸ = 12320083 is a prime.

It is not a weakly prime, because it can be changed into another prime (12320309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160169 + 6160170.

It is an arithmetic number, because the mean of its divisors is an integer number (6160170).

Almost surely, 2^12320339 is an apocalyptic number.

12320339 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320339 is an equidigital number, since it uses as much as digits as its factorization.

12320339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 12320339 is about 3510.0340454189. The cubic root of 12320339 is about 230.9621884226.

The spelling of 12320339 in words is "twelve million, three hundred twenty thousand, three hundred thirty-nine".