12563223 has 4 divisors (see below), whose sum is σ = 16750968. Its totient is φ = 8375480.

The previous prime is 12563209. The next prime is 12563249. The reversal of 12563223 is 32236521.

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 12563223 - 2⁴ = 12563207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12563193 and 12563202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12563203) 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, 2093868 + ... + 2093873.

It is an arithmetic number, because the mean of its divisors is an integer number (4187742).

Almost surely, 2^12563223 is an apocalyptic number.

12563223 is a deficient number, since it is larger than the sum of its proper divisors (4187745).

12563223 is an equidigital number, since it uses as much as digits as its factorization.

12563223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187744.

The product of its digits is 2160, while the sum is 24.

The square root of 12563223 is about 3544.4637111981. The cubic root of 12563223 is about 232.4700574228.

Adding to 12563223 its reverse (32236521), we get a palindrome (44799744).

The spelling of 12563223 in words is "twelve million, five hundred sixty-three thousand, two hundred twenty-three".