12445572 has 24 divisors (see below), whose sum is σ = 29099392. Its totient is φ = 4140000.

The previous prime is 12445567. The next prime is 12445577. The reversal of 12445572 is 27554421.

It is an interprime number because it is at equal distance from previous prime (12445567) and next prime (12445577).

It is not an unprimeable number, because it can be changed into a prime (12445577) 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, 8322 + ... + 9702.

Almost surely, 2^12445572 is an apocalyptic number.

12445572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12445572 is an abundant number, since it is smaller than the sum of its proper divisors (16653820).

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

12445572 is a wasteful number, since it uses less digits than its factorization.

12445572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139 (or 2137 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 12445572 is about 3527.8282271108. The cubic root of 12445572 is about 231.7421083998.

Adding to 12445572 its reverse (27554421), we get a palindrome (39999993).

The spelling of 12445572 in words is "twelve million, four hundred forty-five thousand, five hundred seventy-two".