12805683 has 8 divisors (see below), whose sum is σ = 18626496. Its totient is φ = 7761000.

The previous prime is 12805679. The next prime is 12805691. The reversal of 12805683 is 38650821.

It is a happy number.

12805683 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 not a de Polignac number, because 12805683 - 2² = 12805679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 388051 = 12805683 / (1 + 2 + 8 + 0 + 5 + 6 + 8 + 3).

It is not an unprimeable number, because it can be changed into a prime (12805603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193993 + ... + 194058.

It is an arithmetic number, because the mean of its divisors is an integer number (2328312).

Almost surely, 2^12805683 is an apocalyptic number.

12805683 is a deficient number, since it is larger than the sum of its proper divisors (5820813).

12805683 is a wasteful number, since it uses less digits than its factorization.

12805683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388065.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 12805683 is about 3578.5028992583. The cubic root of 12805683 is about 233.9560330865.

The spelling of 12805683 in words is "twelve million, eight hundred five thousand, six hundred eighty-three".