12118724 has 12 divisors (see below), whose sum is σ = 21339024. Its totient is φ = 6021864.

The previous prime is 12118693. The next prime is 12118727. The reversal of 12118724 is 42781121.

12118724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12118693 and 12118702.

It is not an unprimeable number, because it can be changed into a prime (12118727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8642 + ... + 9945.

It is an arithmetic number, because the mean of its divisors is an integer number (1778252).

Almost surely, 2^12118724 is an apocalyptic number.

It is an amenable number.

12118724 is a deficient number, since it is larger than the sum of its proper divisors (9220300).

12118724 is a wasteful number, since it uses less digits than its factorization.

12118724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18754 (or 18752 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 12118724 is about 3481.1957715705. The cubic root of 12118724 is about 229.6954001849.

Adding to 12118724 its reverse (42781121), we get a palindrome (54899845).

The spelling of 12118724 in words is "twelve million, one hundred eighteen thousand, seven hundred twenty-four".