12181114 has 8 divisors (see below), whose sum is σ = 19932768. Its totient is φ = 5536860.

The previous prime is 12181111. The next prime is 12181121. The reversal of 12181114 is 41118121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12181091 and 12181100.

It is not an unprimeable number, because it can be changed into a prime (12181111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276822 + ... + 276865.

It is an arithmetic number, because the mean of its divisors is an integer number (2491596).

Almost surely, 2^12181114 is an apocalyptic number.

12181114 is a deficient number, since it is larger than the sum of its proper divisors (7751654).

12181114 is a wasteful number, since it uses less digits than its factorization.

12181114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553700.

The product of its digits is 64, while the sum is 19.

The square root of 12181114 is about 3490.1452691829. The cubic root of 12181114 is about 230.0889007309.

Adding to 12181114 its reverse (41118121), we get a palindrome (53299235).

It can be divided in two parts, 1218 and 1114, that added together give a palindrome (2332).

The spelling of 12181114 in words is "twelve million, one hundred eighty-one thousand, one hundred fourteen".