12184881 has 8 divisors (see below), whose sum is σ = 16452480. Its totient is φ = 8020272.

The previous prime is 12184873. The next prime is 12184883. The reversal of 12184881 is 18848121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12184881 - 2³ = 12184873 is a prime.

It is a super-2 number, since 2×12184881² = 296942649968322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25470 + ... + 25943.

It is an arithmetic number, because the mean of its divisors is an integer number (2056560).

Almost surely, 2^12184881 is an apocalyptic number.

It is an amenable number.

12184881 is a deficient number, since it is larger than the sum of its proper divisors (4267599).

12184881 is an equidigital number, since it uses as much as digits as its factorization.

12184881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51495.

The product of its digits is 4096, while the sum is 33.

The square root of 12184881 is about 3490.6848898175. The cubic root of 12184881 is about 230.1126165574.

The spelling of 12184881 in words is "twelve million, one hundred eighty-four thousand, eight hundred eighty-one".