12404143 has 2 divisors, whose sum is σ = 12404144. Its totient is φ = 12404142.

The previous prime is 12404089. The next prime is 12404149. The reversal of 12404143 is 34140421.

12404143 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 12404143 - 2²¹ = 10306991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12404143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12404149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202071 + 6202072.

It is an arithmetic number, because the mean of its divisors is an integer number (6202072).

Almost surely, 2^12404143 is an apocalyptic number.

12404143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404143 is an equidigital number, since it uses as much as digits as its factorization.

12404143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 12404143 is about 3521.9515896730. The cubic root of 12404143 is about 231.4846803845.

Adding to 12404143 its reverse (34140421), we get a palindrome (46544564).

The spelling of 12404143 in words is "twelve million, four hundred four thousand, one hundred forty-three".