12668396 has 12 divisors (see below), whose sum is σ = 23875152. Its totient is φ = 5846928.

The previous prime is 12668387. The next prime is 12668399. The reversal of 12668396 is 69386621.

12668396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12668399) 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, 121760 + ... + 121863.

It is an arithmetic number, because the mean of its divisors is an integer number (1989596).

Almost surely, 2^12668396 is an apocalyptic number.

It is an amenable number.

12668396 is a deficient number, since it is larger than the sum of its proper divisors (11206756).

12668396 is a wasteful number, since it uses less digits than its factorization.

12668396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243640 (or 243638 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 12668396 is about 3559.2690260782. The cubic root of 12668396 is about 233.1169631406.

It can be divided in two parts, 12668 and 396, that multiplied together give a triangular number (5016528 = T₃₁₆₇).

The spelling of 12668396 in words is "twelve million, six hundred sixty-eight thousand, three hundred ninety-six".