12563197 has 4 divisors (see below), whose sum is σ = 12576796. Its totient is φ = 12549600.

The previous prime is 12563189. The next prime is 12563203. The reversal of 12563197 is 79136521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7806436 + 4756761 = 2794^2 + 2181^2 .

It is a cyclic number.

It is not a de Polignac number, because 12563197 - 2³ = 12563189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12563137) 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, 5304 + ... + 7297.

It is an arithmetic number, because the mean of its divisors is an integer number (3144199).

Almost surely, 2^12563197 is an apocalyptic number.

It is an amenable number.

12563197 is a deficient number, since it is larger than the sum of its proper divisors (13599).

12563197 is an equidigital number, since it uses as much as digits as its factorization.

12563197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13598.

The product of its digits is 11340, while the sum is 34.

The square root of 12563197 is about 3544.4600435045. The cubic root of 12563197 is about 232.4698970545.

The spelling of 12563197 in words is "twelve million, five hundred sixty-three thousand, one hundred ninety-seven".