13375249 has 2 divisors, whose sum is σ = 13375250. Its totient is φ = 13375248.

The previous prime is 13375247. The next prime is 13375267. The reversal of 13375249 is 94257331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13373649 + 1600 = 3657^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 13375249 - 2¹ = 13375247 is a prime.

Together with 13375247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13375247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6687624 + 6687625.

It is an arithmetic number, because the mean of its divisors is an integer number (6687625).

Almost surely, 2^13375249 is an apocalyptic number.

It is an amenable number.

13375249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13375249 is an equidigital number, since it uses as much as digits as its factorization.

13375249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 13375249 is about 3657.2187520027. The cubic root of 13375249 is about 237.3744429605.

The spelling of 13375249 in words is "thirteen million, three hundred seventy-five thousand, two hundred forty-nine".