13415799 has 4 divisors (see below), whose sum is σ = 17887736. Its totient is φ = 8943864.

The previous prime is 13415749. The next prime is 13415813. The reversal of 13415799 is 99751431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13415799 - 2⁹ = 13415287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13415749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235964 + ... + 2235969.

It is an arithmetic number, because the mean of its divisors is an integer number (4471934).

Almost surely, 2^13415799 is an apocalyptic number.

13415799 is a deficient number, since it is larger than the sum of its proper divisors (4471937).

13415799 is an equidigital number, since it uses as much as digits as its factorization.

13415799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471936.

The product of its digits is 34020, while the sum is 39.

The square root of 13415799 is about 3662.7583867899. The cubic root of 13415799 is about 237.6140851710.

It can be divided in two parts, 1341 and 5799, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 13415799 in words is "thirteen million, four hundred fifteen thousand, seven hundred ninety-nine".