18060 is a natural number that follows 18059 and precedes 18061. It is even and composite. Its prime factorization is 18060 = 2^2 × 3 × 5 × 7 × 43, which shows that the number is divisible by 60 and by 301. Consequently, 18060 has 48 positive divisors. The sum of its decimal digits is 1 + 8 + 0 + 6 + 0 = 15, so 18060 is a Harshad (Niven) number, since 18060 ÷ 15 = 1204. In other contexts, 18060 is used as a ZIP code in the United States. ZIP codes are assigned by the United States Postal Service to designate geographic areas for mail delivery and routing. The area covered by a given ZIP code can change over time due to postal-service adjustments, and ZIP codes are commonly used in demographic, geographic, and logistical analyses.