2012317 has 2 divisors, whose sum is σ = 2012318. Its totient is φ = 2012316.

The previous prime is 2012299. The next prime is 2012323. The reversal of 2012317 is 7132102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1610361 + 401956 = 1269^2 + 634^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012317 - 2⁷ = 2012189 is a prime.

2012317 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006158 + 1006159.

It is an arithmetic number, because the mean of its divisors is an integer number (1006159).

2^2012317 is an apocalyptic number.

It is an amenable number.

2012317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012317 is an equidigital number, since it uses as much as digits as its factorization.

2012317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 2012317 is about 1418.5615954198. The cubic root of 2012317 is about 126.2502166451.

Adding to 2012317 its reverse (7132102), we get a palindrome (9144419).

The spelling of 2012317 in words is "two million, twelve thousand, three hundred seventeen".