12445516 has 12 divisors (see below), whose sum is σ = 21821800. Its totient is φ = 6210720.

The previous prime is 12445501. The next prime is 12445529. The reversal of 12445516 is 61554421.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441 + ... + 5008.

Almost surely, 2^12445516 is an apocalyptic number.

It is an amenable number.

12445516 is a deficient number, since it is larger than the sum of its proper divisors (9376284).

12445516 is a wasteful number, since it uses less digits than its factorization.

12445516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024 (or 6022 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 12445516 is about 3527.8202902075. The cubic root of 12445516 is about 231.7417608176.

Adding to 12445516 its reverse (61554421), we get a palindrome (73999937).

The spelling of 12445516 in words is "twelve million, four hundred forty-five thousand, five hundred sixteen".