Do I have OCD? (Obsessive Compulsive Disorder)?

Hi. I am 13 years old. I have been having OCD symptoms for about 2 years now. I used to be really picky about numbers, I hate and still do the number 7. I love even numbers. I use to have to shut things like 6 times. And if i didn't get it right on 6 then I would have to go to the next even number.I have ALWAYS ever since I can remeber have to be organized. But it's strange, because im not always organized. And I am so frustrated in my life right now because I feel like I cant get organized.i have been trying to go through all my stuff. My parents are SOOO disorganized I could puke and I just want everything to be uncluttered!!! I can't take it! I have some other symptoms too. What do i do if I do have OCD