12665683 has 4 divisors (see below), whose sum is σ = 12695368. Its totient is φ = 12636000.

The previous prime is 12665677. The next prime is 12665687. The reversal of 12665683 is 38656621.

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 12665683 - 2⁵ = 12665651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12665687) 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, 14193 + ... + 15058.

It is an arithmetic number, because the mean of its divisors is an integer number (3173842).

Almost surely, 2^12665683 is an apocalyptic number.

12665683 is a deficient number, since it is larger than the sum of its proper divisors (29685).

12665683 is an equidigital number, since it uses as much as digits as its factorization.

12665683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29684.

The product of its digits is 51840, while the sum is 37.

The square root of 12665683 is about 3558.8878880909. The cubic root of 12665683 is about 233.1003209002.

The spelling of 12665683 in words is "twelve million, six hundred sixty-five thousand, six hundred eighty-three".