12680648 has 12 divisors (see below), whose sum is σ = 23795115. Its totient is φ = 6335288.

The previous prime is 12680641. The next prime is 12680653. The reversal of 12680648 is 84608621.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

12680648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6340324 + 6340324 = 2518^2 + 2518^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2518.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12680641) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9443 + ... + 10701.

Almost surely, 2^12680648 is an apocalyptic number.

It is an amenable number.

12680648 is a deficient number, since it is larger than the sum of its proper divisors (11114467).

12680648 is an frugal number, since it uses more digits than its factorization.

12680648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 12680648 is about 3560.9897500555. The cubic root of 12680648 is about 233.1920904829.

Multiplying 12680648 by its product of nonzero digits (18432), we get a square (233729703936 = 483456²).

The spelling of 12680648 in words is "twelve million, six hundred eighty thousand, six hundred forty-eight".