12352224 has 24 divisors (see below), whose sum is σ = 32424840. Its totient is φ = 4117376.

The previous prime is 12352213. The next prime is 12352243. The reversal of 12352224 is 42225321.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12352224.

It is a congruent number.

It is an unprimeable number.

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, 64239 + ... + 64430.

It is an arithmetic number, because the mean of its divisors is an integer number (1351035).

Almost surely, 2^12352224 is an apocalyptic number.

It is an amenable number.

12352224 is an abundant number, since it is smaller than the sum of its proper divisors (20072616).

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

12352224 is a wasteful number, since it uses less digits than its factorization.

12352224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128682 (or 128674 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 12352224 is about 3514.5730892955. The cubic root of 12352224 is about 231.1612599370.

Adding to 12352224 its reverse (42225321), we get a palindrome (54577545).

The spelling of 12352224 in words is "twelve million, three hundred fifty-two thousand, two hundred twenty-four".