12097197 has 24 divisors (see below), whose sum is σ = 20352384. Its totient is φ = 6780384.

The previous prime is 12097177. The next prime is 12097201. The reversal of 12097197 is 79179021.

12097197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12097197 - 2⁷ = 12097069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12097177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1528 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (848016).

Almost surely, 2^12097197 is an apocalyptic number.

It is an amenable number.

12097197 is a deficient number, since it is larger than the sum of its proper divisors (8255187).

12097197 is a wasteful number, since it uses less digits than its factorization.

12097197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689 (or 3686 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 12097197 is about 3478.1024999272. The cubic root of 12097197 is about 229.5593137022.

The spelling of 12097197 in words is "twelve million, ninety-seven thousand, one hundred ninety-seven".