12027563 has 4 divisors (see below), whose sum is σ = 12231480. Its totient is φ = 11823648.

The previous prime is 12027557. The next prime is 12027571. The reversal of 12027563 is 36572021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12027563 - 2⁸ = 12027307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12027523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101870 + ... + 101987.

It is an arithmetic number, because the mean of its divisors is an integer number (3057870).

Almost surely, 2^12027563 is an apocalyptic number.

12027563 is a deficient number, since it is larger than the sum of its proper divisors (203917).

12027563 is an equidigital number, since it uses as much as digits as its factorization.

12027563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203916.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 12027563 is about 3468.0777096253. The cubic root of 12027563 is about 229.1180020229.

Adding to 12027563 its reverse (36572021), we get a palindrome (48599584).

The spelling of 12027563 in words is "twelve million, twenty-seven thousand, five hundred sixty-three".