12423244 has 6 divisors (see below), whose sum is σ = 21740684. Its totient is φ = 6211620.

The previous prime is 12423239. The next prime is 12423251. The reversal of 12423244 is 44232421.

It is a happy number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1552902 + ... + 1552909.

Almost surely, 2^12423244 is an apocalyptic number.

It is an amenable number.

12423244 is a deficient number, since it is larger than the sum of its proper divisors (9317440).

12423244 is a wasteful number, since it uses less digits than its factorization.

12423244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105815 (or 3105813 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 12423244 is about 3524.6622533230. The cubic root of 12423244 is about 231.6034396634.

Adding to 12423244 its reverse (44232421), we get a palindrome (56655665).

The spelling of 12423244 in words is "twelve million, four hundred twenty-three thousand, two hundred forty-four".