12133133 has 4 divisors (see below), whose sum is σ = 12190848. Its totient is φ = 12075420.

The previous prime is 12133129. The next prime is 12133139. The reversal of 12133133 is 33133121.

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.

It is a cyclic number.

It is not a de Polignac number, because 12133133 - 2² = 12133129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28541 + ... + 28962.

It is an arithmetic number, because the mean of its divisors is an integer number (3047712).

Almost surely, 2^12133133 is an apocalyptic number.

It is an amenable number.

12133133 is a deficient number, since it is larger than the sum of its proper divisors (57715).

12133133 is an equidigital number, since it uses as much as digits as its factorization.

12133133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57714.

The product of its digits is 162, while the sum is 17.

The square root of 12133133 is about 3483.2647042681. The cubic root of 12133133 is about 229.7863990437.

Adding to 12133133 its reverse (33133121), we get a palindrome (45266254).

The spelling of 12133133 in words is "twelve million, one hundred thirty-three thousand, one hundred thirty-three".