13650563 has 2 divisors, whose sum is σ = 13650564. Its totient is φ = 13650562.

The previous prime is 13650557. The next prime is 13650583. The reversal of 13650563 is 36505631.

13650563 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13650563 - 2⁴ = 13650547 is a prime.

It is not a weakly prime, because it can be changed into another prime (13650583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6825281 + 6825282.

It is an arithmetic number, because the mean of its divisors is an integer number (6825282).

Almost surely, 2^13650563 is an apocalyptic number.

13650563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13650563 is an equidigital number, since it uses as much as digits as its factorization.

13650563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 13650563 is about 3694.6668320702. Note that the first 3 decimals coincide. The cubic root of 13650563 is about 238.9920867113.

The spelling of 13650563 in words is "thirteen million, six hundred fifty thousand, five hundred sixty-three".