12747893 has 2 divisors, whose sum is σ = 12747894. Its totient is φ = 12747892.

The previous prime is 12747883. The next prime is 12747901. The reversal of 12747893 is 39874721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8655364 + 4092529 = 2942^2 + 2023^2 .

It is a cyclic number.

It is not a de Polignac number, because 12747893 - 2¹⁰ = 12746869 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12747893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12747853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6373946 + 6373947.

It is an arithmetic number, because the mean of its divisors is an integer number (6373947).

Almost surely, 2^12747893 is an apocalyptic number.

It is an amenable number.

12747893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12747893 is an equidigital number, since it uses as much as digits as its factorization.

12747893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 12747893 is about 3570.4191630676. The cubic root of 12747893 is about 233.6035669551.

The spelling of 12747893 in words is "twelve million, seven hundred forty-seven thousand, eight hundred ninety-three".