12445564 has 12 divisors (see below), whose sum is σ = 23061024. Its totient is φ = 5856704.

The previous prime is 12445561. The next prime is 12445567. The reversal of 12445564 is 46554421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12445561) and next prime (12445567).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91444 + ... + 91579.

It is an arithmetic number, because the mean of its divisors is an integer number (1921752).

Almost surely, 2^12445564 is an apocalyptic number.

It is an amenable number.

12445564 is a deficient number, since it is larger than the sum of its proper divisors (10615460).

12445564 is a wasteful number, since it uses less digits than its factorization.

12445564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183044 (or 183042 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 12445564 is about 3527.8270932686. The cubic root of 12445564 is about 231.7420587452.

Adding to 12445564 its reverse (46554421), we get a palindrome (58999985).

The spelling of 12445564 in words is "twelve million, four hundred forty-five thousand, five hundred sixty-four".