12233129 has 4 divisors (see below), whose sum is σ = 12531540. Its totient is φ = 11934720.

The previous prime is 12233107. The next prime is 12233159. The reversal of 12233129 is 92133221.

12233129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92133221 = 71 ⋅1297651.

It can be written as a sum of positive squares in 2 ways, for example, as 5221225 + 7011904 = 2285^2 + 2648^2 .

It is a cyclic number.

It is not a de Polignac number, because 12233129 - 2²⁰ = 11184553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12233159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149144 + ... + 149225.

It is an arithmetic number, because the mean of its divisors is an integer number (3132885).

Almost surely, 2^12233129 is an apocalyptic number.

It is an amenable number.

12233129 is a deficient number, since it is larger than the sum of its proper divisors (298411).

12233129 is an equidigital number, since it uses as much as digits as its factorization.

12233129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298410.

The product of its digits is 648, while the sum is 23.

The square root of 12233129 is about 3497.5890267440. The cubic root of 12233129 is about 230.4159392205.

The spelling of 12233129 in words is "twelve million, two hundred thirty-three thousand, one hundred twenty-nine".