12668023 has 4 divisors (see below), whose sum is σ = 13010440. Its totient is φ = 12325608.

The previous prime is 12668021. The next prime is 12668039. The reversal of 12668023 is 32086621.

12668023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12668023 - 2¹ = 12668021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12667982 and 12668000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12668021) 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, 171153 + ... + 171226.

It is an arithmetic number, because the mean of its divisors is an integer number (3252610).

Almost surely, 2^12668023 is an apocalyptic number.

12668023 is a deficient number, since it is larger than the sum of its proper divisors (342417).

12668023 is an equidigital number, since it uses as much as digits as its factorization.

12668023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342416.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 12668023 is about 3559.2166272931. The cubic root of 12668023 is about 233.1146752035.

The spelling of 12668023 in words is "twelve million, six hundred sixty-eight thousand, twenty-three".