12197873 has 4 divisors (see below), whose sum is σ = 12229620. Its totient is φ = 12166128.

The previous prime is 12197851. The next prime is 12197879. The reversal of 12197873 is 37879121.

12197873 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.

It can be written as a sum of positive squares in 2 ways, for example, as 5987809 + 6210064 = 2447^2 + 2492^2 .

It is a cyclic number.

It is not a de Polignac number, because 12197873 - 2⁸ = 12197617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12197879) 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, 15290 + ... + 16067.

It is an arithmetic number, because the mean of its divisors is an integer number (3057405).

Almost surely, 2^12197873 is an apocalyptic number.

It is an amenable number.

12197873 is a deficient number, since it is larger than the sum of its proper divisors (31747).

12197873 is an equidigital number, since it uses as much as digits as its factorization.

12197873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31746.

The product of its digits is 21168, while the sum is 38.

The square root of 12197873 is about 3492.5453468781. The cubic root of 12197873 is about 230.1943725519.

The spelling of 12197873 in words is "twelve million, one hundred ninety-seven thousand, eight hundred seventy-three".