12081743 has 2 divisors, whose sum is σ = 12081744. Its totient is φ = 12081742.

The previous prime is 12081733. The next prime is 12081761. The reversal of 12081743 is 34718021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12081743 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12081703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6040871 + 6040872.

It is an arithmetic number, because the mean of its divisors is an integer number (6040872).

Almost surely, 2^12081743 is an apocalyptic number.

12081743 is a deficient number, since it is larger than the sum of its proper divisors (1).

12081743 is an equidigital number, since it uses as much as digits as its factorization.

12081743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12081743 is about 3475.8801763007. The cubic root of 12081743 is about 229.4615191089.

Adding to 12081743 its reverse (34718021), we get a palindrome (46799764).

The spelling of 12081743 in words is "twelve million, eighty-one thousand, seven hundred forty-three".