A lucky number, no. Favorite number, yes! That would be 17. I am usually drawn to prime numbers any way, but 17 just seems to have such a ring to it. I thought I would get over my love for the number 17 after I passed that age, but 8 years later I still dig it.
(which is interesting that 8 years later this question and answer should have occurred. In numerology, 17 reduces to 8 (1+7=8). 8 in numerology represents a balancer, that which brings balance to life, as well as success. I started studying numerology way after 17 and I bonded)