12766668 has 24 divisors (see below), whose sum is σ = 30750720. Its totient is φ = 4118160.

The previous prime is 12766667. The next prime is 12766669. The reversal of 12766668 is 86666721.

It is a happy number.

12766668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12766667) and next prime (12766669).

It is not an unprimeable number, because it can be changed into a prime (12766667) 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, 16788 + ... + 17531.

It is an arithmetic number, because the mean of its divisors is an integer number (1281280).

Almost surely, 2^12766668 is an apocalyptic number.

It is an amenable number.

12766668 is an abundant number, since it is smaller than the sum of its proper divisors (17984052).

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

12766668 is a wasteful number, since it uses less digits than its factorization.

12766668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34357 (or 34355 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 12766668 is about 3573.0474388119. The cubic root of 12766668 is about 233.7181938860.

It can be divided in two parts, 127 and 66668, that added together give a triangular number (66795 = T₃₆₅).

The spelling of 12766668 in words is "twelve million, seven hundred sixty-six thousand, six hundred sixty-eight".