12183980 has 12 divisors (see below), whose sum is σ = 25586400. Its totient is φ = 4873584.

The previous prime is 12183971. The next prime is 12184009. The reversal of 12183980 is 8938121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304580 + ... + 304619.

It is an arithmetic number, because the mean of its divisors is an integer number (2132200).

Almost surely, 2^12183980 is an apocalyptic number.

12183980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12183980 is an abundant number, since it is smaller than the sum of its proper divisors (13402420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12183980 is a wasteful number, since it uses less digits than its factorization.

12183980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609208 (or 609206 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 12183980 is about 3490.5558296638. Note that the first 3 decimals coincide. The cubic root of 12183980 is about 230.1069445945.

The spelling of 12183980 in words is "twelve million, one hundred eighty-three thousand, nine hundred eighty".