12184880 has 20 divisors (see below), whose sum is σ = 28330032. Its totient is φ = 4873920.

The previous prime is 12184873. The next prime is 12184883. The reversal of 12184880 is 8848121.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×12184880² = 296942601228800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12184883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76076 + ... + 76235.

Almost surely, 2^12184880 is an apocalyptic number.

12184880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12184880 is an abundant number, since it is smaller than the sum of its proper divisors (16145152).

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

12184880 is a wasteful number, since it uses less digits than its factorization.

12184880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152324 (or 152318 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 12184880 is about 3490.6847465791. The cubic root of 12184880 is about 230.1126102623.

The spelling of 12184880 in words is "twelve million, one hundred eighty-four thousand, eight hundred eighty".