12744871 has 2 divisors, whose sum is σ = 12744872. Its totient is φ = 12744870.

The previous prime is 12744869. The next prime is 12744929. The reversal of 12744871 is 17844721.

12744871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (17844721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12744871 - 2¹ = 12744869 is a prime.

Together with 12744869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12744821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6372435 + 6372436.

It is an arithmetic number, because the mean of its divisors is an integer number (6372436).

Almost surely, 2^12744871 is an apocalyptic number.

12744871 is a deficient number, since it is larger than the sum of its proper divisors (1).

12744871 is an equidigital number, since it uses as much as digits as its factorization.

12744871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12544, while the sum is 34.

The square root of 12744871 is about 3569.9959383730. The cubic root of 12744871 is about 233.5851062371.

The spelling of 12744871 in words is "twelve million, seven hundred forty-four thousand, eight hundred seventy-one".