18013260 has 24 divisors (see below), whose sum is σ = 50437296. Its totient is φ = 4803520.

The previous prime is 18013253. The next prime is 18013277. The reversal of 18013260 is 6231081.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150051 + ... + 150170.

It is an arithmetic number, because the mean of its divisors is an integer number (2101554).

Almost surely, 2^18013260 is an apocalyptic number.

18013260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18013260 is an abundant number, since it is smaller than the sum of its proper divisors (32424036).

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

18013260 is a wasteful number, since it uses less digits than its factorization.

18013260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300233 (or 300231 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 18013260 is about 4244.2031054133. The cubic root of 18013260 is about 262.1384773858.

The spelling of 18013260 in words is "eighteen million, thirteen thousand, two hundred sixty".