12628339 has 2 divisors, whose sum is σ = 12628340. Its totient is φ = 12628338.

The previous prime is 12628337. The next prime is 12628349. The reversal of 12628339 is 93382621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12628339 - 2¹ = 12628337 is a prime.

Together with 12628337, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12628337) 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, 6314169 + 6314170.

It is an arithmetic number, because the mean of its divisors is an integer number (6314170).

Almost surely, 2^12628339 is an apocalyptic number.

12628339 is a deficient number, since it is larger than the sum of its proper divisors (1).

12628339 is an equidigital number, since it uses as much as digits as its factorization.

12628339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 12628339 is about 3553.6374322657. The cubic root of 12628339 is about 232.8710013098.

The spelling of 12628339 in words is "twelve million, six hundred twenty-eight thousand, three hundred thirty-nine".