13424899 has 2 divisors, whose sum is σ = 13424900. Its totient is φ = 13424898.

The previous prime is 13424881. The next prime is 13424903. The reversal of 13424899 is 99842431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13424899 - 2⁵ = 13424867 is a prime.

It is not a weakly prime, because it can be changed into another prime (13424699) 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, 6712449 + 6712450.

It is an arithmetic number, because the mean of its divisors is an integer number (6712450).

Almost surely, 2^13424899 is an apocalyptic number.

13424899 is a deficient number, since it is larger than the sum of its proper divisors (1).

13424899 is an equidigital number, since it uses as much as digits as its factorization.

13424899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 13424899 is about 3664.0004093886. Note that the first 3 decimals coincide. The cubic root of 13424899 is about 237.6677979480.

It can be divided in two parts, 1342 and 4899, that added together give a square (6241 = 79²).

The spelling of 13424899 in words is "thirteen million, four hundred twenty-four thousand, eight hundred ninety-nine".