8112197 has 4 divisors (see below), whose sum is σ = 8126976. Its totient is φ = 8097420.

The previous prime is 8112193. The next prime is 8112211. The reversal of 8112197 is 7912118.

8112197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7912118 = 2 ⋅3956059.

It is a cyclic number.

It is not a de Polignac number, because 8112197 - 2² = 8112193 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 (8112191) 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, 6533 + ... + 7674.

It is an arithmetic number, because the mean of its divisors is an integer number (2031744).

Almost surely, 2^8112197 is an apocalyptic number.

It is an amenable number.

8112197 is a deficient number, since it is larger than the sum of its proper divisors (14779).

8112197 is a wasteful number, since it uses less digits than its factorization.

8112197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14778.

The product of its digits is 1008, while the sum is 29.

The square root of 8112197 is about 2848.1918825809. The cubic root of 8112197 is about 200.9306378492.

It can be divided in two parts, 81121 and 97, that added together give a palindrome (81218).

The spelling of 8112197 in words is "eight million, one hundred twelve thousand, one hundred ninety-seven".