12418143 has 16 divisors (see below), whose sum is σ = 17832960. Its totient is φ = 7657856.

The previous prime is 12418141. The next prime is 12418151. The reversal of 12418143 is 34181421.

12418143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12418143 - 2¹ = 12418141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12418141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946 + ... + 5072.

It is an arithmetic number, because the mean of its divisors is an integer number (1114560).

Almost surely, 2^12418143 is an apocalyptic number.

12418143 is a deficient number, since it is larger than the sum of its proper divisors (5414817).

12418143 is a wasteful number, since it uses less digits than its factorization.

12418143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206.

The product of its digits is 768, while the sum is 24.

The square root of 12418143 is about 3523.9385635961. The cubic root of 12418143 is about 231.5717364336.

Adding to 12418143 its reverse (34181421), we get a palindrome (46599564).

It can be divided in two parts, 12418 and 143, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 12418143 in words is "twelve million, four hundred eighteen thousand, one hundred forty-three".