12118471 has 2 divisors, whose sum is σ = 12118472. Its totient is φ = 12118470.

The previous prime is 12118453. The next prime is 12118481. The reversal of 12118471 is 17481121.

12118471 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12118471 - 2¹⁹ = 11594183 is a prime.

It is a super-3 number, since 3×12118471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12118441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059235 + 6059236.

It is an arithmetic number, because the mean of its divisors is an integer number (6059236).

Almost surely, 2^12118471 is an apocalyptic number.

12118471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12118471 is an equidigital number, since it uses as much as digits as its factorization.

12118471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448, while the sum is 25.

The square root of 12118471 is about 3481.1594332923. The cubic root of 12118471 is about 229.6938017399.

Adding to 12118471 its reverse (17481121), we get a palindrome (29599592).

The spelling of 12118471 in words is "twelve million, one hundred eighteen thousand, four hundred seventy-one".