13590649 has 2 divisors, whose sum is σ = 13590650. Its totient is φ = 13590648.

The previous prime is 13590641. The next prime is 13590653. The reversal of 13590649 is 94609531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6996025 + 6594624 = 2645^2 + 2568^2 .

It is a cyclic number.

It is not a de Polignac number, because 13590649 - 2³ = 13590641 is a prime.

It is not a weakly prime, because it can be changed into another prime (13590641) 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, 6795324 + 6795325.

It is an arithmetic number, because the mean of its divisors is an integer number (6795325).

Almost surely, 2^13590649 is an apocalyptic number.

It is an amenable number.

13590649 is a deficient number, since it is larger than the sum of its proper divisors (1).

13590649 is an equidigital number, since it uses as much as digits as its factorization.

13590649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 13590649 is about 3686.5497419674. The cubic root of 13590649 is about 238.6419186789.

The spelling of 13590649 in words is "thirteen million, five hundred ninety thousand, six hundred forty-nine".