13217288118 has 16 divisors (see below), whose sum is σ = 26464389120. Its totient is φ = 4400793896.

The previous prime is 13217288113. The next prime is 13217288141. The reversal of 13217288118 is 81188271231.

It is a happy number.

13217288118 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13217288118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13217288113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236438 + ... + 1247081.

It is an arithmetic number, because the mean of its divisors is an integer number (1654024320).

Almost surely, 2^13217288118 is an apocalyptic number.

13217288118 is an abundant number, since it is smaller than the sum of its proper divisors (13247101002).

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

13217288118 is a wasteful number, since it uses less digits than its factorization.

13217288118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484411.

The product of its digits is 43008, while the sum is 42.

The spelling of 13217288118 in words is "thirteen billion, two hundred seventeen million, two hundred eighty-eight thousand, one hundred eighteen".