12133612 has 6 divisors (see below), whose sum is σ = 21233828. Its totient is φ = 6066804.

The previous prime is 12133607. The next prime is 12133619. The reversal of 12133612 is 21633121.

12133612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12133612.

It is not an unprimeable number, because it can be changed into a prime (12133619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1516698 + ... + 1516705.

Almost surely, 2^12133612 is an apocalyptic number.

It is an amenable number.

12133612 is a deficient number, since it is larger than the sum of its proper divisors (9100216).

12133612 is a wasteful number, since it uses less digits than its factorization.

12133612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033407 (or 3033405 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 12133612 is about 3483.3334609250. Note that the first 3 decimals coincide. The cubic root of 12133612 is about 229.7894228914.

Adding to 12133612 its reverse (21633121), we get a palindrome (33766733).

It can be divided in two parts, 121 and 33612, that added together give a palindrome (33733).

The spelling of 12133612 in words is "twelve million, one hundred thirty-three thousand, six hundred twelve".