13349249 has 2 divisors, whose sum is σ = 13349250. Its totient is φ = 13349248.

The previous prime is 13349243. The next prime is 13349257. The reversal of 13349249 is 94294331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12475024 + 874225 = 3532^2 + 935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13349249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13349243) 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, 6674624 + 6674625.

It is an arithmetic number, because the mean of its divisors is an integer number (6674625).

Almost surely, 2^13349249 is an apocalyptic number.

It is an amenable number.

13349249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13349249 is an equidigital number, since it uses as much as digits as its factorization.

13349249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 13349249 is about 3653.6624091451. The cubic root of 13349249 is about 237.2205333299.

The spelling of 13349249 in words is "thirteen million, three hundred forty-nine thousand, two hundred forty-nine".