18067113 has 12 divisors (see below), whose sum is σ = 26145028. Its totient is φ = 12022560.

The previous prime is 18067109. The next prime is 18067177. The reversal of 18067113 is 31176081.

It can be written as a sum of positive squares in 2 ways, for example, as 14837904 + 3229209 = 3852^2 + 1797^2 .

It is not a de Polignac number, because 18067113 - 2² = 18067109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18067013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4431 + ... + 7467.

Almost surely, 2^18067113 is an apocalyptic number.

It is an amenable number.

18067113 is a deficient number, since it is larger than the sum of its proper divisors (8077915).

18067113 is a wasteful number, since it uses less digits than its factorization.

18067113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704 (or 3701 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 18067113 is about 4250.5426712362. The cubic root of 18067113 is about 262.3994499248.

The spelling of 18067113 in words is "eighteen million, sixty-seven thousand, one hundred thirteen".