12572428 has 48 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 5391680.

The previous prime is 12572419. The next prime is 12572431. The reversal of 12572428 is 82427521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12572428.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75201 + ... + 75367.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^12572428 is an apocalyptic number.

It is an amenable number.

12572428 is an abundant number, since it is smaller than the sum of its proper divisors (12829172).

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

12572428 is a wasteful number, since it uses less digits than its factorization.

12572428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 268 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 12572428 is about 3545.7619773470. The cubic root of 12572428 is about 232.5268200455.

Adding to 12572428 its reverse (82427521), we get a palindrome (94999949).

The spelling of 12572428 in words is "twelve million, five hundred seventy-two thousand, four hundred twenty-eight".