12225808 has 20 divisors (see below), whose sum is σ = 27071680. Its totient is φ = 5239584.

The previous prime is 12225779. The next prime is 12225823. The reversal of 12225808 is 80852221.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 54468 + ... + 54691.

It is an arithmetic number, because the mean of its divisors is an integer number (1353584).

Almost surely, 2^12225808 is an apocalyptic number.

It is an amenable number.

12225808 is an abundant number, since it is smaller than the sum of its proper divisors (14845872).

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

12225808 is a wasteful number, since it uses less digits than its factorization.

12225808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109174 (or 109168 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 12225808 is about 3496.5422920365. The cubic root of 12225808 is about 230.3699653815.

The spelling of 12225808 in words is "twelve million, two hundred twenty-five thousand, eight hundred eight".