12002743 has 2 divisors, whose sum is σ = 12002744. Its totient is φ = 12002742.

The previous prime is 12002717. The next prime is 12002759. The reversal of 12002743 is 34720021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12002743 - 2⁹ = 12002231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12002743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001371 + 6001372.

It is an arithmetic number, because the mean of its divisors is an integer number (6001372).

Almost surely, 2^12002743 is an apocalyptic number.

12002743 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002743 is an equidigital number, since it uses as much as digits as its factorization.

12002743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 12002743 is about 3464.4975104624. The cubic root of 12002743 is about 228.9602913548.

Adding to 12002743 its reverse (34720021), we get a palindrome (46722764).

The spelling of 12002743 in words is "twelve million, two thousand, seven hundred forty-three".