13336649 has 2 divisors, whose sum is σ = 13336650. Its totient is φ = 13336648.

The previous prime is 13336643. The next prime is 13336657. The reversal of 13336649 is 94663331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8791225 + 4545424 = 2965^2 + 2132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13336649 is a prime.

It is not a weakly prime, because it can be changed into another prime (13336643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6668324 + 6668325.

It is an arithmetic number, because the mean of its divisors is an integer number (6668325).

Almost surely, 2^13336649 is an apocalyptic number.

It is an amenable number.

13336649 is a deficient number, since it is larger than the sum of its proper divisors (1).

13336649 is an equidigital number, since it uses as much as digits as its factorization.

13336649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 35.

The square root of 13336649 is about 3651.9377048356. The cubic root of 13336649 is about 237.1458744579.

The spelling of 13336649 in words is "thirteen million, three hundred thirty-six thousand, six hundred forty-nine".