13339649 has 2 divisors, whose sum is σ = 13339650. Its totient is φ = 13339648.

The previous prime is 13339643. The next prime is 13339709. The reversal of 13339649 is 94693331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13191424 + 148225 = 3632^2 + 385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13339649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13339643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6669824 + 6669825.

It is an arithmetic number, because the mean of its divisors is an integer number (6669825).

Almost surely, 2^13339649 is an apocalyptic number.

It is an amenable number.

13339649 is a deficient number, since it is larger than the sum of its proper divisors (1).

13339649 is an equidigital number, since it uses as much as digits as its factorization.

13339649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 38.

The square root of 13339649 is about 3652.3484225906. The cubic root of 13339649 is about 237.1636546435.

The spelling of 13339649 in words is "thirteen million, three hundred thirty-nine thousand, six hundred forty-nine".