13418799 has 4 divisors (see below), whose sum is σ = 17891736. Its totient is φ = 8945864.

The previous prime is 13418771. The next prime is 13418803. The reversal of 13418799 is 99781431.

It is a happy number.

13418799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13418799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13418799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13418749) 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, 2236464 + ... + 2236469.

It is an arithmetic number, because the mean of its divisors is an integer number (4472934).

Almost surely, 2^13418799 is an apocalyptic number.

13418799 is a deficient number, since it is larger than the sum of its proper divisors (4472937).

13418799 is an equidigital number, since it uses as much as digits as its factorization.

13418799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472936.

The product of its digits is 54432, while the sum is 42.

The square root of 13418799 is about 3663.1678913203. The cubic root of 13418799 is about 237.6317953629.

The spelling of 13418799 in words is "thirteen million, four hundred eighteen thousand, seven hundred ninety-nine".