12534224 has 20 divisors (see below), whose sum is σ = 25563840. Its totient is φ = 5937120.

The previous prime is 12534217. The next prime is 12534227. The reversal of 12534224 is 42243521.

It is a happy number.

12534224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12534224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20312 + ... + 20919.

It is an arithmetic number, because the mean of its divisors is an integer number (1278192).

Almost surely, 2^12534224 is an apocalyptic number.

It is an amenable number.

12534224 is an abundant number, since it is smaller than the sum of its proper divisors (13029616).

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

12534224 is a wasteful number, since it uses less digits than its factorization.

12534224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41258 (or 41252 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 12534224 is about 3540.3706020698. The cubic root of 12534224 is about 232.2910536541.

Adding to 12534224 its reverse (42243521), we get a palindrome (54777745).

The spelling of 12534224 in words is "twelve million, five hundred thirty-four thousand, two hundred twenty-four".