12133516 has 12 divisors (see below), whose sum is σ = 21352240. Its totient is φ = 6032880.

The previous prime is 12133487. The next prime is 12133519. The reversal of 12133516 is 61533121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12133519) 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, 7656 + ... + 9103.

Almost surely, 2^12133516 is an apocalyptic number.

It is an amenable number.

12133516 is a deficient number, since it is larger than the sum of its proper divisors (9218724).

12133516 is a wasteful number, since it uses less digits than its factorization.

12133516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16944 (or 16942 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 12133516 is about 3483.3196809940. The cubic root of 12133516 is about 229.7888168657.

Adding to 12133516 its reverse (61533121), we get a palindrome (73666637).

The spelling of 12133516 in words is "twelve million, one hundred thirty-three thousand, five hundred sixteen".