12705893471 has 2 divisors, whose sum is σ = 12705893472. Its totient is φ = 12705893470.

The previous prime is 12705893441. The next prime is 12705893507. The reversal of 12705893471 is 17439850721.

It is a weak prime.

It is an emirp because it is prime and its reverse (17439850721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12705893471 - 2⁶ = 12705893407 is a prime.

It is a super-3 number, since 3×12705893471³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 (12705893401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352946735 + 6352946736.

It is an arithmetic number, because the mean of its divisors is an integer number (6352946736).

Almost surely, 2^12705893471 is an apocalyptic number.

12705893471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12705893471 is an equidigital number, since it uses as much as digits as its factorization.

12705893471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 12705893471 in words is "twelve billion, seven hundred five million, eight hundred ninety-three thousand, four hundred seventy-one".