it is the smallest number divisible by the numbers 1 to 6: there is no smaller number divisible by the numbers 1 to 5. it is the smallest number with exactly 12 divisors. it is one of seven integers that have more divisors than any number less than twice itself , one of six that are also lowest common multiple of a consecutive set of integers from 1, and one of six that are divisors of every highly composite number higher than itself.