12104181 has 8 divisors (see below), whose sum is σ = 17932160. Its totient is φ = 8069436.

The previous prime is 12104179. The next prime is 12104189. The reversal of 12104181 is 18140121.

It is not a de Polignac number, because 12104181 - 2¹ = 12104179 is a prime.

It is a super-2 number, since 2×12104181² = 293022395361522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104189) 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, 224125 + ... + 224178.

It is an arithmetic number, because the mean of its divisors is an integer number (2241520).

Almost surely, 2^12104181 is an apocalyptic number.

It is an amenable number.

12104181 is a deficient number, since it is larger than the sum of its proper divisors (5827979).

12104181 is an equidigital number, since it uses as much as digits as its factorization.

12104181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448312 (or 448306 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 12104181 is about 3479.1063507746. The cubic root of 12104181 is about 229.6034818902.

The spelling of 12104181 in words is "twelve million, one hundred four thousand, one hundred eighty-one".