12668911 has 8 divisors (see below), whose sum is σ = 13461120. Its totient is φ = 11900448.

The previous prime is 12668899. The next prime is 12668917. The reversal of 12668911 is 11986621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12668911 - 2⁷ = 12668783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12668917) 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, 4831 + ... + 6976.

It is an arithmetic number, because the mean of its divisors is an integer number (1682640).

Almost surely, 2^12668911 is an apocalyptic number.

12668911 is a deficient number, since it is larger than the sum of its proper divisors (792209).

12668911 is a wasteful number, since it uses less digits than its factorization.

12668911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11873.

The product of its digits is 5184, while the sum is 34.

The square root of 12668911 is about 3559.3413716585. The cubic root of 12668911 is about 233.1201220148.

The spelling of 12668911 in words is "twelve million, six hundred sixty-eight thousand, nine hundred eleven".