13808118 has 16 divisors (see below), whose sum is σ = 28568880. Its totient is φ = 4443936.

The previous prime is 13808101. The next prime is 13808153. The reversal of 13808118 is 81180831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39505 + ... + 39852.

It is an arithmetic number, because the mean of its divisors is an integer number (1785555).

Almost surely, 2^13808118 is an apocalyptic number.

13808118 is an abundant number, since it is smaller than the sum of its proper divisors (14760762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13808118 is a wasteful number, since it uses less digits than its factorization.

13808118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79391.

The product of its (nonzero) digits is 1536, while the sum is 30.

The square root of 13808118 is about 3715.9276096286. The cubic root of 13808118 is about 239.9080550578.

Adding to 13808118 its reverse (81180831), we get a palindrome (94988949).

The spelling of 13808118 in words is "thirteen million, eight hundred eight thousand, one hundred eighteen".