12423944 has 32 divisors (see below), whose sum is σ = 25475520. Its totient is φ = 5645376.

The previous prime is 12423941. The next prime is 12423973. The reversal of 12423944 is 44932421.

It is not an unprimeable number, because it can be changed into a prime (12423941) 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 7 ways as a sum of consecutive naturals, for example, 6077 + ... + 7859.

It is an arithmetic number, because the mean of its divisors is an integer number (796110).

Almost surely, 2^12423944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12423944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12737760).

12423944 is an abundant number, since it is smaller than the sum of its proper divisors (13051576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12423944 is a wasteful number, since it uses less digits than its factorization.

12423944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1865 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 12423944 is about 3524.7615522188. The cubic root of 12423944 is about 231.6077895569.

The spelling of 12423944 in words is "twelve million, four hundred twenty-three thousand, nine hundred forty-four".