13315499 has 2 divisors, whose sum is σ = 13315500. Its totient is φ = 13315498.

The previous prime is 13315483. The next prime is 13315501. The reversal of 13315499 is 99451331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13315499 - 2⁴ = 13315483 is a prime.

Together with 13315501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13315439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6657749 + 6657750.

It is an arithmetic number, because the mean of its divisors is an integer number (6657750).

Almost surely, 2^13315499 is an apocalyptic number.

13315499 is a deficient number, since it is larger than the sum of its proper divisors (1).

13315499 is an equidigital number, since it uses as much as digits as its factorization.

13315499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 35.

The square root of 13315499 is about 3649.0408328765. The cubic root of 13315499 is about 237.0204484247.

The spelling of 13315499 in words is "thirteen million, three hundred fifteen thousand, four hundred ninety-nine".