12648764 has 12 divisors (see below), whose sum is σ = 22167600. Its totient is φ = 6315168.

The previous prime is 12648763. The next prime is 12648767. The reversal of 12648764 is 46784621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472 + ... + 5240.

It is an arithmetic number, because the mean of its divisors is an integer number (1847300).

Almost surely, 2^12648764 is an apocalyptic number.

It is an amenable number.

12648764 is a deficient number, since it is larger than the sum of its proper divisors (9518836).

12648764 is a wasteful number, since it uses less digits than its factorization.

12648764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612 (or 4610 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 12648764 is about 3556.5100871500. The cubic root of 12648764 is about 232.9964817388.

The spelling of 12648764 in words is "twelve million, six hundred forty-eight thousand, seven hundred sixty-four".