13894563 has 8 divisors (see below), whose sum is σ = 18920448. Its totient is φ = 9065864.

The previous prime is 13894523. The next prime is 13894577. The reversal of 13894563 is 36549831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13894563 - 2⁹ = 13894051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13894523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49131 + ... + 49412.

It is an arithmetic number, because the mean of its divisors is an integer number (2365056).

Almost surely, 2^13894563 is an apocalyptic number.

13894563 is a deficient number, since it is larger than the sum of its proper divisors (5025885).

13894563 is an equidigital number, since it uses as much as digits as its factorization.

13894563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98593.

The product of its digits is 77760, while the sum is 39.

The square root of 13894563 is about 3727.5411466542. The cubic root of 13894563 is about 240.4076578652.

The spelling of 13894563 in words is "thirteen million, eight hundred ninety-four thousand, five hundred sixty-three".