12181163 has 16 divisors (see below), whose sum is σ = 13335840. Its totient is φ = 11083776.

The previous prime is 12181157. The next prime is 12181187. The reversal of 12181163 is 36118121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12181163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12181123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125531 + ... + 125627.

It is an arithmetic number, because the mean of its divisors is an integer number (833490).

Almost surely, 2^12181163 is an apocalyptic number.

12181163 is a deficient number, since it is larger than the sum of its proper divisors (1154677).

12181163 is an equidigital number, since it uses as much as digits as its factorization.

12181163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286.

The product of its digits is 288, while the sum is 23.

The square root of 12181163 is about 3490.1522889410. The cubic root of 12181163 is about 230.0892092506.

Adding to 12181163 its reverse (36118121), we get a palindrome (48299284).

The spelling of 12181163 in words is "twelve million, one hundred eighty-one thousand, one hundred sixty-three".