12943224 has 96 divisors (see below), whose sum is σ = 40815840. Its totient is φ = 3628800.

The previous prime is 12943223. The next prime is 12943247. The reversal of 12943224 is 42234921.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12943223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30534 + ... + 30954.

It is an arithmetic number, because the mean of its divisors is an integer number (425165).

Almost surely, 2^12943224 is an apocalyptic number.

12943224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12943224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20407920).

12943224 is an abundant number, since it is smaller than the sum of its proper divisors (27872616).

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

12943224 is a wasteful number, since it uses less digits than its factorization.

12943224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 494 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12943224 is about 3597.6692454977. The cubic root of 12943224 is about 234.7906631340.

The spelling of 12943224 in words is "twelve million, nine hundred forty-three thousand, two hundred twenty-four".