12197849 has 4 divisors (see below), whose sum is σ = 12591360. Its totient is φ = 11804340.

The previous prime is 12197839. The next prime is 12197851. The reversal of 12197849 is 94879121.

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.

It is a cyclic number.

It is not a de Polignac number, because 12197849 - 2⁸ = 12197593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12197839) 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, 196709 + ... + 196770.

It is an arithmetic number, because the mean of its divisors is an integer number (3147840).

Almost surely, 2^12197849 is an apocalyptic number.

It is an amenable number.

12197849 is a deficient number, since it is larger than the sum of its proper divisors (393511).

12197849 is an equidigital number, since it uses as much as digits as its factorization.

12197849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393510.

The product of its digits is 36288, while the sum is 41.

The square root of 12197849 is about 3492.5419109869. The cubic root of 12197849 is about 230.1942215783.

The spelling of 12197849 in words is "twelve million, one hundred ninety-seven thousand, eight hundred forty-nine".