13047863 has 2 divisors, whose sum is σ = 13047864. Its totient is φ = 13047862.

The previous prime is 13047829. The next prime is 13047871. The reversal of 13047863 is 36874031.

13047863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (36874031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13047863 - 2¹⁴ = 13031479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13047893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6523931 + 6523932.

It is an arithmetic number, because the mean of its divisors is an integer number (6523932).

Almost surely, 2^13047863 is an apocalyptic number.

13047863 is a deficient number, since it is larger than the sum of its proper divisors (1).

13047863 is an equidigital number, since it uses as much as digits as its factorization.

13047863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 13047863 is about 3612.1825812104. The cubic root of 13047863 is about 235.4216844033.

The spelling of 13047863 in words is "thirteen million, forty-seven thousand, eight hundred sixty-three".