12333137 has 4 divisors (see below), whose sum is σ = 12387696. Its totient is φ = 12278580.

The previous prime is 12333127. The next prime is 12333157. The reversal of 12333137 is 73133321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73133321 = 139 ⋅526139.

It is a cyclic number.

It is not a de Polignac number, because 12333137 - 2⁶ = 12333073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12333107) 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, 26939 + ... + 27392.

It is an arithmetic number, because the mean of its divisors is an integer number (3096924).

Almost surely, 2^12333137 is an apocalyptic number.

It is an amenable number.

12333137 is a deficient number, since it is larger than the sum of its proper divisors (54559).

12333137 is an equidigital number, since it uses as much as digits as its factorization.

12333137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54558.

The product of its digits is 1134, while the sum is 23.

The square root of 12333137 is about 3511.8566314700. The cubic root of 12333137 is about 231.0421329543.

Adding to 12333137 its reverse (73133321), we get a palindrome (85466458).

The spelling of 12333137 in words is "twelve million, three hundred thirty-three thousand, one hundred thirty-seven".