12443224 has 16 divisors (see below), whose sum is σ = 23559120. Its totient is φ = 6160800.

The previous prime is 12443219. The next prime is 12443231. The reversal of 12443224 is 42234421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12443195 and 12443204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6727 + ... + 8374.

It is an arithmetic number, because the mean of its divisors is an integer number (1472445).

Almost surely, 2^12443224 is an apocalyptic number.

It is an amenable number.

12443224 is a deficient number, since it is larger than the sum of its proper divisors (11115896).

12443224 is a wasteful number, since it uses less digits than its factorization.

12443224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15210 (or 15206 counting only the distinct ones).

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

The square root of 12443224 is about 3527.4954287710. The cubic root of 12443224 is about 231.7275338804.

Adding to 12443224 its reverse (42234421), we get a palindrome (54677645).

The spelling of 12443224 in words is "twelve million, four hundred forty-three thousand, two hundred twenty-four".