13047893 has 2 divisors, whose sum is σ = 13047894. Its totient is φ = 13047892.

The previous prime is 13047871. The next prime is 13047917. The reversal of 13047893 is 39874031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10608049 + 2439844 = 3257^2 + 1562^2 .

It is an emirp because it is prime and its reverse (39874031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13047893 - 2⁶ = 13047829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13047863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6523946 + 6523947.

It is an arithmetic number, because the mean of its divisors is an integer number (6523947).

Almost surely, 2^13047893 is an apocalyptic number.

It is an amenable number.

13047893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13047893 is an equidigital number, since it uses as much as digits as its factorization.

13047893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 13047893 is about 3612.1867338220. The cubic root of 13047893 is about 235.4218648324.

The spelling of 13047893 in words is "thirteen million, forty-seven thousand, eight hundred ninety-three".