12806017 has 8 divisors (see below), whose sum is σ = 14698112. Its totient is φ = 10929600.

The previous prime is 12805993. The next prime is 12806041. The reversal of 12806017 is 71060821.

It is an interprime number because it is at equal distance from previous prime (12805993) and next prime (12806041).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12806017 - 2¹¹ = 12803969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12805982 and 12806000.

It is not an unprimeable number, because it can be changed into a prime (12806077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2109 + ... + 5482.

It is an arithmetic number, because the mean of its divisors is an integer number (1837264).

Almost surely, 2^12806017 is an apocalyptic number.

It is an amenable number.

12806017 is a deficient number, since it is larger than the sum of its proper divisors (1892095).

12806017 is an equidigital number, since it uses as much as digits as its factorization.

12806017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 12806017 is about 3578.5495665143. The cubic root of 12806017 is about 233.9580670958.

Adding to 12806017 its reverse (71060821), we get a palindrome (83866838).

The spelling of 12806017 in words is "twelve million, eight hundred six thousand, seventeen".