12668380 has 24 divisors (see below), whose sum is σ = 27171648. Its totient is φ = 4959168.

The previous prime is 12668353. The next prime is 12668387. The reversal of 12668380 is 8386621.

12668380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12668387) 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, 5799 + ... + 7678.

It is an arithmetic number, because the mean of its divisors is an integer number (1132152).

Almost surely, 2^12668380 is an apocalyptic number.

12668380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12668380 is an abundant number, since it is smaller than the sum of its proper divisors (14503268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12668380 is a wasteful number, since it uses less digits than its factorization.

12668380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13533 (or 13531 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 12668380 is about 3559.2667784250. The cubic root of 12668380 is about 233.1168649994.

The spelling of 12668380 in words is "twelve million, six hundred sixty-eight thousand, three hundred eighty".