12444233 has 4 divisors (see below), whose sum is σ = 12475668. Its totient is φ = 12412800.

The previous prime is 12444193. The next prime is 12444239. The reversal of 12444233 is 33244421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33244421 = 7 ⋅4749203.

It can be written as a sum of positive squares in 2 ways, for example, as 10936249 + 1507984 = 3307^2 + 1228^2 .

It is a cyclic number.

It is not a de Polignac number, because 12444233 - 2⁶ = 12444169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12444199 and 12444208.

It is not an unprimeable number, because it can be changed into a prime (12444239) 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, 15116 + ... + 15917.

It is an arithmetic number, because the mean of its divisors is an integer number (3118917).

Almost surely, 2^12444233 is an apocalyptic number.

It is an amenable number.

12444233 is a deficient number, since it is larger than the sum of its proper divisors (31435).

12444233 is an equidigital number, since it uses as much as digits as its factorization.

12444233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31434.

The product of its digits is 2304, while the sum is 23.

The square root of 12444233 is about 3527.6384451925. The cubic root of 12444233 is about 231.7337971757.

Adding to 12444233 its reverse (33244421), we get a palindrome (45688654).

The spelling of 12444233 in words is "twelve million, four hundred forty-four thousand, two hundred thirty-three".