Number 13 — Thirteen

The number 13 is written with one or two Western digits from the Hindu–Arabic numeral system. It is odd and prime. Its positive divisors are 1, 13. Additional properties include being a Fibonacci number. These mathematical properties are verifiable; religious, esoteric, and numerological readings depend on a particular tradition and are not properties of the number itself. Numerological reading: the number is associated with transformation, passage, and breaking with the old. In a talismanic or meditative composition it may express an intention to focus on these qualities; meanings vary by school and context.