12803217 has 32 divisors (see below), whose sum is σ = 20496384. Its totient is φ = 6955200.

The previous prime is 12803213. The next prime is 12803237. The reversal of 12803217 is 71230821.

It is not a de Polignac number, because 12803217 - 2² = 12803213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12803213) 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 31 ways as a sum of consecutive naturals, for example, 46083 + ... + 46359.

It is an arithmetic number, because the mean of its divisors is an integer number (640512).

Almost surely, 2^12803217 is an apocalyptic number.

It is an amenable number.

12803217 is a deficient number, since it is larger than the sum of its proper divisors (7693167).

12803217 is a wasteful number, since it uses less digits than its factorization.

12803217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 12803217 is about 3578.1583251723. The cubic root of 12803217 is about 233.9410144260.

The spelling of 12803217 in words is "twelve million, eight hundred three thousand, two hundred seventeen".