12195984 has 20 divisors (see below), whose sum is σ = 31506416. Its totient is φ = 4065312.

The previous prime is 12195973. The next prime is 12195991. The reversal of 12195984 is 48959121.

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, 126994 + ... + 127089.

Almost surely, 2^12195984 is an apocalyptic number.

It is an amenable number.

12195984 is an abundant number, since it is smaller than the sum of its proper divisors (19310432).

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

12195984 is a wasteful number, since it uses less digits than its factorization.

12195984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254094 (or 254088 counting only the distinct ones).

The product of its digits is 25920, while the sum is 39.

The square root of 12195984 is about 3492.2749032686. The cubic root of 12195984 is about 230.1824890697.

The spelling of 12195984 in words is "twelve million, one hundred ninety-five thousand, nine hundred eighty-four".