12438233 has 4 divisors (see below), whose sum is σ = 12461520. Its totient is φ = 12414948.

The previous prime is 12438227. The next prime is 12438247. The reversal of 12438233 is 33283421.

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 12438233 - 2¹⁰ = 12437209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12438263) 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, 10823 + ... + 11916.

It is an arithmetic number, because the mean of its divisors is an integer number (3115380).

Almost surely, 2^12438233 is an apocalyptic number.

It is an amenable number.

12438233 is a deficient number, since it is larger than the sum of its proper divisors (23287).

12438233 is an equidigital number, since it uses as much as digits as its factorization.

12438233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23286.

The product of its digits is 3456, while the sum is 26.

The square root of 12438233 is about 3526.7879153700. The cubic root of 12438233 is about 231.6965476240.

The spelling of 12438233 in words is "twelve million, four hundred thirty-eight thousand, two hundred thirty-three".