12620339 has 2 divisors, whose sum is σ = 12620340. Its totient is φ = 12620338.

The previous prime is 12620323. The next prime is 12620359. The reversal of 12620339 is 93302621.

It is a weak prime.

It is an emirp because it is prime and its reverse (93302621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12620339 - 2⁴ = 12620323 is a prime.

It is not a weakly prime, because it can be changed into another prime (12620359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6310169 + 6310170.

It is an arithmetic number, because the mean of its divisors is an integer number (6310170).

Almost surely, 2^12620339 is an apocalyptic number.

12620339 is a deficient number, since it is larger than the sum of its proper divisors (1).

12620339 is an equidigital number, since it uses as much as digits as its factorization.

12620339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 12620339 is about 3552.5116467086. The cubic root of 12620339 is about 232.8218166534.

The spelling of 12620339 in words is "twelve million, six hundred twenty thousand, three hundred thirty-nine".