118013 has 8 divisors (see below), whose sum is σ = 140928. Its totient is φ = 96624.

The previous prime is 117991. The next prime is 118033. The reversal of 118013 is 310811.

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

It is a cyclic number.

It is not a de Polignac number, because 118013 - 2⁸ = 117757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118033) 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, 206 + ... + 527.

It is an arithmetic number, because the mean of its divisors is an integer number (17616).

2¹¹⁸⁰¹³ is an apocalyptic number.

It is an amenable number.

118013 is a deficient number, since it is larger than the sum of its proper divisors (22915).

118013 is an equidigital number, since it uses as much as digits as its factorization.

118013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 118013 is about 343.5302024568. The cubic root of 118013 is about 49.0504824719.

Adding to 118013 its reverse (310811), we get a palindrome (428824).

The spelling of 118013 in words is "one hundred eighteen thousand, thirteen".