12896743 has 2 divisors, whose sum is σ = 12896744. Its totient is φ = 12896742.

The previous prime is 12896729. The next prime is 12896749. The reversal of 12896743 is 34769821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12896743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12896696 and 12896705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12896749) 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, 6448371 + 6448372.

It is an arithmetic number, because the mean of its divisors is an integer number (6448372).

Almost surely, 2^12896743 is an apocalyptic number.

12896743 is a deficient number, since it is larger than the sum of its proper divisors (1).

12896743 is an equidigital number, since it uses as much as digits as its factorization.

12896743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 12896743 is about 3591.2035586973. The cubic root of 12896743 is about 234.5092702163.

The spelling of 12896743 in words is "twelve million, eight hundred ninety-six thousand, seven hundred forty-three".