1200

1200 = 2 x 2 x 2 x 2 x 3 x 5 x 5.

1200 is 3333 in base 7. It is 363 in base 19.

1200 is the sum of a twin prime pair (A054735): 1200 = 599 + 601.

1200 is a concentric dodecagonal number (A195143).

1200 is the number of regions made by diagonals in a regular 48-gon that are heptagons (A067154).

1200 is a number that can be expressed as the difference of squares of primes in just three distinct ways (A090782).

1200 is a divisor of 49² - 1.

Source: What's Special About This Number?