13423499 has 2 divisors, whose sum is σ = 13423500. Its totient is φ = 13423498.

The previous prime is 13423493. The next prime is 13423511. The reversal of 13423499 is 99432431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13423499 - 2⁴ = 13423483 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13423493) 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, 6711749 + 6711750.

It is an arithmetic number, because the mean of its divisors is an integer number (6711750).

Almost surely, 2^13423499 is an apocalyptic number.

13423499 is a deficient number, since it is larger than the sum of its proper divisors (1).

13423499 is an equidigital number, since it uses as much as digits as its factorization.

13423499 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 13423499 is about 3663.8093563940. The cubic root of 13423499 is about 237.6595360241.

The spelling of 13423499 in words is "thirteen million, four hundred twenty-three thousand, four hundred ninety-nine".