13838563 has 2 divisors, whose sum is σ = 13838564. Its totient is φ = 13838562.

The previous prime is 13838551. The next prime is 13838579. The reversal of 13838563 is 36583831.

13838563 is digitally balanced in base 2 and base 3, because in such bases 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 (36583831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13838563 is a prime.

It is not a weakly prime, because it can be changed into another prime (13838533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6919281 + 6919282.

It is an arithmetic number, because the mean of its divisors is an integer number (6919282).

Almost surely, 2^13838563 is an apocalyptic number.

13838563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13838563 is an equidigital number, since it uses as much as digits as its factorization.

13838563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 13838563 is about 3720.0219085376. The cubic root of 13838563 is about 240.0842470437.

The spelling of 13838563 in words is "thirteen million, eight hundred thirty-eight thousand, five hundred sixty-three".