12195180 has 36 divisors (see below), whose sum is σ = 36992592. Its totient is φ = 3252000.

The previous prime is 12195179. The next prime is 12195193. The reversal of 12195180 is 8159121.

12195180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33696 + ... + 34055.

It is an arithmetic number, because the mean of its divisors is an integer number (1027572).

Almost surely, 2^12195180 is an apocalyptic number.

12195180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12195180 is an abundant number, since it is smaller than the sum of its proper divisors (24797412).

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

12195180 is a wasteful number, since it uses less digits than its factorization.

12195180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67766 (or 67761 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 12195180 is about 3492.1597901585. The cubic root of 12195180 is about 230.1774308257.

The spelling of 12195180 in words is "twelve million, one hundred ninety-five thousand, one hundred eighty".