12072743 has 2 divisors, whose sum is σ = 12072744. Its totient is φ = 12072742.

The previous prime is 12072721. The next prime is 12072763. The reversal of 12072743 is 34727021.

12072743 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 12072743 - 2⁶ = 12072679 is a prime.

It is a super-2 number, since 2×12072743² = 291502247088098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12072713) 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, 6036371 + 6036372.

It is an arithmetic number, because the mean of its divisors is an integer number (6036372).

Almost surely, 2^12072743 is an apocalyptic number.

12072743 is a deficient number, since it is larger than the sum of its proper divisors (1).

12072743 is an equidigital number, since it uses as much as digits as its factorization.

12072743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 12072743 is about 3474.5852989961. The cubic root of 12072743 is about 229.4045276997.

Adding to 12072743 its reverse (34727021), we get a palindrome (46799764).

The spelling of 12072743 in words is "twelve million, seventy-two thousand, seven hundred forty-three".