13812668 has 12 divisors (see below), whose sum is σ = 24386880. Its totient is φ = 6844992.

The previous prime is 13812661. The next prime is 13812683. The reversal of 13812668 is 86621831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13812661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14828 + ... + 15731.

It is an arithmetic number, because the mean of its divisors is an integer number (2032240).

Almost surely, 2^13812668 is an apocalyptic number.

It is an amenable number.

13812668 is a deficient number, since it is larger than the sum of its proper divisors (10574212).

13812668 is a wasteful number, since it uses less digits than its factorization.

13812668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30676 (or 30674 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 13812668 is about 3716.5397885668. The cubic root of 13812668 is about 239.9344033691.

The spelling of 13812668 in words is "thirteen million, eight hundred twelve thousand, six hundred sixty-eight".