13967563 has 2 divisors, whose sum is σ = 13967564. Its totient is φ = 13967562.

The previous prime is 13967543. The next prime is 13967573. The reversal of 13967563 is 36576931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13967563 is a prime.

It is not a weakly prime, because it can be changed into another prime (13967533) 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, 6983781 + 6983782.

It is an arithmetic number, because the mean of its divisors is an integer number (6983782).

Almost surely, 2^13967563 is an apocalyptic number.

13967563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13967563 is an equidigital number, since it uses as much as digits as its factorization.

13967563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 40.

The square root of 13967563 is about 3737.3202966832. The cubic root of 13967563 is about 240.8279448939.

The spelling of 13967563 in words is "thirteen million, nine hundred sixty-seven thousand, five hundred sixty-three".