12572224 has 84 divisors (see below), whose sum is σ = 30693360. Its totient is φ = 5080320.

The previous prime is 12572207. The next prime is 12572233. The reversal of 12572224 is 42227521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59479 + ... + 59689.

Almost surely, 2^12572224 is an apocalyptic number.

12572224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12572224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15346680).

12572224 is an abundant number, since it is smaller than the sum of its proper divisors (18121136).

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

12572224 is a wasteful number, since it uses less digits than its factorization.

12572224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 239 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 12572224 is about 3545.7332104940. The cubic root of 12572224 is about 232.5255623800.

Adding to 12572224 its reverse (42227521), we get a palindrome (54799745).

It can be divided in two parts, 1257 and 2224, that added together give a square (3481 = 59²).

The spelling of 12572224 in words is "twelve million, five hundred seventy-two thousand, two hundred twenty-four".