12839699 has 2 divisors, whose sum is σ = 12839700. Its totient is φ = 12839698.

The previous prime is 12839693. The next prime is 12839719. The reversal of 12839699 is 99693821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12839699 - 2⁸ = 12839443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12839693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6419849 + 6419850.

It is an arithmetic number, because the mean of its divisors is an integer number (6419850).

Almost surely, 2^12839699 is an apocalyptic number.

12839699 is a deficient number, since it is larger than the sum of its proper divisors (1).

12839699 is an equidigital number, since it uses as much as digits as its factorization.

12839699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 47.

The square root of 12839699 is about 3583.2525727333. The cubic root of 12839699 is about 234.1630040136.

The spelling of 12839699 in words is "twelve million, eight hundred thirty-nine thousand, six hundred ninety-nine".