13502249 has 2 divisors, whose sum is σ = 13502250. Its totient is φ = 13502248.

The previous prime is 13502201. The next prime is 13502263. The reversal of 13502249 is 94220531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7252249 + 6250000 = 2693^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 13502249 - 2⁸ = 13501993 is a prime.

It is not a weakly prime, because it can be changed into another prime (13502549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6751124 + 6751125.

It is an arithmetic number, because the mean of its divisors is an integer number (6751125).

Almost surely, 2^13502249 is an apocalyptic number.

It is an amenable number.

13502249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13502249 is an equidigital number, since it uses as much as digits as its factorization.

13502249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13502249 is about 3674.5406515645. The cubic root of 13502249 is about 238.1233795239.

The spelling of 13502249 in words is "thirteen million, five hundred two thousand, two hundred forty-nine".