12133233 has 36 divisors (see below), whose sum is σ = 21162960. Its totient is φ = 6926472.

The previous prime is 12133217. The next prime is 12133241. The reversal of 12133233 is 33233121.

12133233 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12133233 - 2⁴ = 12133217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12133243) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11398 + ... + 12416.

It is an arithmetic number, because the mean of its divisors is an integer number (587860).

Almost surely, 2^12133233 is an apocalyptic number.

It is an amenable number.

12133233 is a deficient number, since it is larger than the sum of its proper divisors (9029727).

12133233 is an equidigital number, since it uses as much as digits as its factorization.

12133233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1029 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 12133233 is about 3483.2790585883. The cubic root of 12133233 is about 229.7870303337.

Adding to 12133233 its reverse (33233121), we get a palindrome (45366354).

The spelling of 12133233 in words is "twelve million, one hundred thirty-three thousand, two hundred thirty-three".