1282317 has 4 divisors (see below), whose sum is σ = 1709760. Its totient is φ = 854876.

The previous prime is 1282297. The next prime is 1282343. The reversal of 1282317 is 7132821.

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 not a de Polignac number, because 1282317 - 2¹⁹ = 758029 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282387) 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, 213717 + ... + 213722.

It is an arithmetic number, because the mean of its divisors is an integer number (427440).

2^1282317 is an apocalyptic number.

It is an amenable number.

1282317 is a deficient number, since it is larger than the sum of its proper divisors (427443).

1282317 is an equidigital number, since it uses as much as digits as its factorization.

1282317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427442.

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

The square root of 1282317 is about 1132.3943659344. The cubic root of 1282317 is about 108.6421787737.

The spelling of 1282317 in words is "one million, two hundred eighty-two thousand, three hundred seventeen".