12651668 has 12 divisors (see below), whose sum is σ = 22179360. Its totient is φ = 6314712.

The previous prime is 12651659. The next prime is 12651697. The reversal of 12651668 is 86615621.

It is a happy number.

It is a congruent number.

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, 113 + ... + 5031.

It is an arithmetic number, because the mean of its divisors is an integer number (1848280).

Almost surely, 2^12651668 is an apocalyptic number.

It is an amenable number.

12651668 is a deficient number, since it is larger than the sum of its proper divisors (9527692).

12651668 is a wasteful number, since it uses less digits than its factorization.

12651668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566 (or 5564 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 12651668 is about 3556.9183291158. The cubic root of 12651668 is about 233.0143114126.

The spelling of 12651668 in words is "twelve million, six hundred fifty-one thousand, six hundred sixty-eight".