12562224 has 20 divisors (see below), whose sum is σ = 32452536. Its totient is φ = 4187392.

The previous prime is 12562183. The next prime is 12562237. The reversal of 12562224 is 42226521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12562194 and 12562203.

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, 130809 + ... + 130904.

Almost surely, 2^12562224 is an apocalyptic number.

It is an amenable number.

12562224 is an abundant number, since it is smaller than the sum of its proper divisors (19890312).

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

12562224 is a wasteful number, since it uses less digits than its factorization.

12562224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261724 (or 261718 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 12562224 is about 3544.3227843976. The cubic root of 12562224 is about 232.4638954227.

Adding to 12562224 its reverse (42226521), we get a palindrome (54788745).

The spelling of 12562224 in words is "twelve million, five hundred sixty-two thousand, two hundred twenty-four".