13854563 has 2 divisors, whose sum is σ = 13854564. Its totient is φ = 13854562.

The previous prime is 13854559. The next prime is 13854583. The reversal of 13854563 is 36545831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13854563 - 2² = 13854559 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13854523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6927281 + 6927282.

It is an arithmetic number, because the mean of its divisors is an integer number (6927282).

Almost surely, 2^13854563 is an apocalyptic number.

13854563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13854563 is an equidigital number, since it uses as much as digits as its factorization.

13854563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 13854563 is about 3722.1718122623. The cubic root of 13854563 is about 240.1767390282.

The spelling of 13854563 in words is "thirteen million, eight hundred fifty-four thousand, five hundred sixty-three".