12645412 has 24 divisors (see below), whose sum is σ = 25088000. Its totient is φ = 5528736.

The previous prime is 12645403. The next prime is 12645419. The reversal of 12645412 is 21454621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12645419) 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, 5412 + ... + 7387.

Almost surely, 2^12645412 is an apocalyptic number.

It is an amenable number.

12645412 is a deficient number, since it is larger than the sum of its proper divisors (12442588).

12645412 is a wasteful number, since it uses less digits than its factorization.

12645412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12835 (or 12833 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 12645412 is about 3556.0388074373. The cubic root of 12645412 is about 232.9758980884.

The spelling of 12645412 in words is "twelve million, six hundred forty-five thousand, four hundred twelve".