12118045 has 16 divisors (see below), whose sum is σ = 15016320. Its totient is φ = 9382464.

The previous prime is 12118039. The next prime is 12118049. The reversal of 12118045 is 54081121.

12118045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12118045 - 2³ = 12118037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12118049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33576 + ... + 33934.

It is an arithmetic number, because the mean of its divisors is an integer number (938520).

Almost surely, 2^12118045 is an apocalyptic number.

It is an amenable number.

12118045 is a deficient number, since it is larger than the sum of its proper divisors (2898275).

12118045 is a wasteful number, since it uses less digits than its factorization.

12118045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 12118045 is about 3481.0982462436. The cubic root of 12118045 is about 229.6911102368.

Adding to 12118045 its reverse (54081121), we get a palindrome (66199166).

The spelling of 12118045 in words is "twelve million, one hundred eighteen thousand, forty-five".