12668043 has 16 divisors (see below), whose sum is σ = 18023040. Its totient is φ = 7886976.

The previous prime is 12668039. The next prime is 12668059. The reversal of 12668043 is 34086621.

It is not a de Polignac number, because 12668043 - 2² = 12668039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12668043.

It is not an unprimeable number, because it can be changed into a prime (12661043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6196 + ... + 7982.

It is an arithmetic number, because the mean of its divisors is an integer number (1126440).

Almost surely, 2^12668043 is an apocalyptic number.

12668043 is a deficient number, since it is larger than the sum of its proper divisors (5354997).

12668043 is a wasteful number, since it uses less digits than its factorization.

12668043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 12668043 is about 3559.2194368991. The cubic root of 12668043 is about 233.1147978822.

The spelling of 12668043 in words is "twelve million, six hundred sixty-eight thousand, forty-three".