13118105 has 32 divisors (see below), whose sum is σ = 21143808. Its totient is φ = 7545600.

The previous prime is 13118089. The next prime is 13118107. The reversal of 13118105 is 50181131.

It is not a de Polignac number, because 13118105 - 2⁴ = 13118089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13118107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3695 + ... + 6315.

It is an arithmetic number, because the mean of its divisors is an integer number (660744).

Almost surely, 2^13118105 is an apocalyptic number.

It is an amenable number.

13118105 is a deficient number, since it is larger than the sum of its proper divisors (8025703).

13118105 is a wasteful number, since it uses less digits than its factorization.

13118105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 13118105 is about 3621.8924611313. The cubic root of 13118105 is about 235.8433857488.

Adding to 13118105 its reverse (50181131), we get a palindrome (63299236).

The spelling of 13118105 in words is "thirteen million, one hundred eighteen thousand, one hundred five".