18062013 has 8 divisors (see below), whose sum is σ = 24102400. Its totient is φ = 12031488.

The previous prime is 18061997. The next prime is 18062047. The reversal of 18062013 is 31026081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18062013 - 2⁴ = 18061997 is a prime.

It is a super-2 number, since 2×18062013² = 652472627224338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18062113) 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, 5373 + ... + 8061.

It is an arithmetic number, because the mean of its divisors is an integer number (3012800).

Almost surely, 2^18062013 is an apocalyptic number.

It is an amenable number.

18062013 is a deficient number, since it is larger than the sum of its proper divisors (6040387).

18062013 is a wasteful number, since it uses less digits than its factorization.

18062013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931.

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

The square root of 18062013 is about 4249.9427054962. The cubic root of 18062013 is about 262.3747574881.

Adding to 18062013 its reverse (31026081), we get a palindrome (49088094).

The spelling of 18062013 in words is "eighteen million, sixty-two thousand, thirteen".