13639

13639 is a prime number. It is the 1585th prime number, following 13633 and preceding 13649. In base 10, it has four digits. Its digits are 1, 3, 6, and 3, with the digit 3 appearing twice. The sum of its digits is 1 + 3 + 6 + 3 = 13. The number 13639 is not a perfect square or a perfect cube. Its divisors are only 1 and itself. It is not a Fibonacci number or a Catalan number. The number has no known special mathematical properties beyond its primality. There are no widely recognized historical or cultural significances attributed to the number 13639. Its numerical value does not correspond to a common constant or a well-known sequence. Further exploration into its properties would likely involve advanced number theory concepts, such as its distribution within prime number sequences or its behavior in modular arithmetic.