12582224 has 20 divisors (see below), whose sum is σ = 24435936. Its totient is φ = 6276192.

The previous prime is 12582223. The next prime is 12582247. The reversal of 12582224 is 42228521.

It is a junction number, because it is equal to n+sod(n) for n = 12582193 and 12582202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12582223) 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, 9677 + ... + 10899.

Almost surely, 2^12582224 is an apocalyptic number.

It is an amenable number.

12582224 is a deficient number, since it is larger than the sum of its proper divisors (11853712).

12582224 is a wasteful number, since it uses less digits than its factorization.

12582224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874 (or 1868 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 12582224 is about 3547.1430757724. The cubic root of 12582224 is about 232.5871966459.

The spelling of 12582224 in words is "twelve million, five hundred eighty-two thousand, two hundred twenty-four".