12856339 has 2 divisors, whose sum is σ = 12856340. Its totient is φ = 12856338.

The previous prime is 12856321. The next prime is 12856373. The reversal of 12856339 is 93365821.

12856339 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (93365821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12856339 - 2⁷ = 12856211 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12856298 and 12856307.

It is not a weakly prime, because it can be changed into another prime (12856399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6428169 + 6428170.

It is an arithmetic number, because the mean of its divisors is an integer number (6428170).

Almost surely, 2^12856339 is an apocalyptic number.

12856339 is a deficient number, since it is larger than the sum of its proper divisors (1).

12856339 is an equidigital number, since it uses as much as digits as its factorization.

12856339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 12856339 is about 3585.5737337280. The cubic root of 12856339 is about 234.2641172445.

The spelling of 12856339 in words is "twelve million, eight hundred fifty-six thousand, three hundred thirty-nine".