12845017 has 4 divisors (see below), whose sum is σ = 13403520. Its totient is φ = 12286516.

The previous prime is 12844987. The next prime is 12845033. The reversal of 12845017 is 71054821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12845017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12845717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279217 + ... + 279262.

It is an arithmetic number, because the mean of its divisors is an integer number (3350880).

Almost surely, 2^12845017 is an apocalyptic number.

It is an amenable number.

12845017 is a deficient number, since it is larger than the sum of its proper divisors (558503).

12845017 is an equidigital number, since it uses as much as digits as its factorization.

12845017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558502.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 12845017 is about 3583.9945591477. The cubic root of 12845017 is about 234.1953284207.

Adding to 12845017 its reverse (71054821), we get a palindrome (83899838).

The spelling of 12845017 in words is "twelve million, eight hundred forty-five thousand, seventeen".