18110013 has 8 divisors (see below), whose sum is σ = 24270048. Its totient is φ = 12011664.

The previous prime is 18109999. The next prime is 18110017. The reversal of 18110013 is 31001181.

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

It is not a de Polignac number, because 18110013 - 2⁹ = 18109501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18109974 and 18110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18110017) 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, 14731 + ... + 15912.

It is an arithmetic number, because the mean of its divisors is an integer number (3033756).

Almost surely, 2^18110013 is an apocalyptic number.

It is an amenable number.

18110013 is a deficient number, since it is larger than the sum of its proper divisors (6160035).

18110013 is a wasteful number, since it uses less digits than its factorization.

18110013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30843.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 18110013 is about 4255.5860935951. The cubic root of 18110013 is about 262.6069731807.

Adding to 18110013 its reverse (31001181), we get a palindrome (49111194).

The spelling of 18110013 in words is "eighteen million, one hundred ten thousand, thirteen".