13290018 has 16 divisors (see below), whose sum is σ = 30377280. Its totient is φ = 3797136.

The previous prime is 13290001. The next prime is 13290019. The reversal of 13290018 is 81009231.

It is a self number, because there is not a number n which added to its sum of digits gives 13290018.

It is not an unprimeable number, because it can be changed into a prime (13290019) 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, 158173 + ... + 158256.

It is an arithmetic number, because the mean of its divisors is an integer number (1898580).

Almost surely, 2^13290018 is an apocalyptic number.

13290018 is an abundant number, since it is smaller than the sum of its proper divisors (17087262).

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

13290018 is a wasteful number, since it uses less digits than its factorization.

13290018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316441.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 13290018 is about 3645.5476954773. The cubic root of 13290018 is about 236.8691617017.

Adding to 13290018 its reverse (81009231), we get a palindrome (94299249).

The spelling of 13290018 in words is "thirteen million, two hundred ninety thousand, eighteen".