12668345 has 8 divisors (see below), whose sum is σ = 16002240. Its totient is φ = 9601200.

The previous prime is 12668287. The next prime is 12668353. The reversal of 12668345 is 54386621.

12668345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-12668345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66581 + ... + 66770.

It is an arithmetic number, because the mean of its divisors is an integer number (2000280).

Almost surely, 2^12668345 is an apocalyptic number.

It is an amenable number.

12668345 is a deficient number, since it is larger than the sum of its proper divisors (3333895).

12668345 is a wasteful number, since it uses less digits than its factorization.

12668345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133375.

The product of its digits is 34560, while the sum is 35.

The square root of 12668345 is about 3559.2618616786. The cubic root of 12668345 is about 233.1166503154.

The spelling of 12668345 in words is "twelve million, six hundred sixty-eight thousand, three hundred forty-five".