12133615 has 8 divisors (see below), whose sum is σ = 15680448. Its totient is φ = 8960160.

The previous prime is 12133607. The next prime is 12133619. The reversal of 12133615 is 51633121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12133615 - 2³ = 12133607 is a prime.

It is a super-2 number, since 2×12133615² = 294449225936450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 93271 + ... + 93400.

It is an arithmetic number, because the mean of its divisors is an integer number (1960056).

Almost surely, 2^12133615 is an apocalyptic number.

12133615 is a deficient number, since it is larger than the sum of its proper divisors (3546833).

12133615 is a wasteful number, since it uses less digits than its factorization.

12133615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186689.

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

The square root of 12133615 is about 3483.3338915470. Note that the first 3 decimals coincide. The cubic root of 12133615 is about 229.7894418296.

Adding to 12133615 its reverse (51633121), we get a palindrome (63766736).

The spelling of 12133615 in words is "twelve million, one hundred thirty-three thousand, six hundred fifteen".