12668073 has 16 divisors (see below), whose sum is σ = 18610176. Its totient is φ = 7601040.

The previous prime is 12668059. The next prime is 12668081. The reversal of 12668073 is 37086621.

It is not a de Polignac number, because 12668073 - 2⁸ = 12667817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12663073) 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, 1536 + ... + 5262.

It is an arithmetic number, because the mean of its divisors is an integer number (1163136).

Almost surely, 2^12668073 is an apocalyptic number.

It is an amenable number.

12668073 is a deficient number, since it is larger than the sum of its proper divisors (5942103).

12668073 is a wasteful number, since it uses less digits than its factorization.

12668073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 12668073 is about 3559.2236513038. The cubic root of 12668073 is about 233.1149819000.

It can be divided in two parts, 1266 and 8073, that added together give a palindrome (9339).

The spelling of 12668073 in words is "twelve million, six hundred sixty-eight thousand, seventy-three".