12228584 has 32 divisors (see below), whose sum is σ = 23639040. Its totient is φ = 5928000.

The previous prime is 12228583. The next prime is 12228599. The reversal of 12228584 is 48582221.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12228584.

It is not an unprimeable number, because it can be changed into a prime (12228583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63929 + ... + 64119.

It is an arithmetic number, because the mean of its divisors is an integer number (738720).

Almost surely, 2^12228584 is an apocalyptic number.

It is an amenable number.

12228584 is a deficient number, since it is larger than the sum of its proper divisors (11410456).

12228584 is a wasteful number, since it uses less digits than its factorization.

12228584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 397 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 12228584 is about 3496.9392331009. The cubic root of 12228584 is about 230.3874000472.

The spelling of 12228584 in words is "twelve million, two hundred twenty-eight thousand, five hundred eighty-four".