12906668 has 12 divisors (see below), whose sum is σ = 22611960. Its totient is φ = 6446112.

The previous prime is 12906667. The next prime is 12906697. The reversal of 12906668 is 86660921.

It is not an unprimeable number, because it can be changed into a prime (12906667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5480 + ... + 7472.

It is an arithmetic number, because the mean of its divisors is an integer number (1884330).

Almost surely, 2^12906668 is an apocalyptic number.

It is an amenable number.

12906668 is a deficient number, since it is larger than the sum of its proper divisors (9705292).

12906668 is a wasteful number, since it uses less digits than its factorization.

12906668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616 (or 3614 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 12906668 is about 3592.5851416494. The cubic root of 12906668 is about 234.5694122150.

The spelling of 12906668 in words is "twelve million, nine hundred six thousand, six hundred sixty-eight".