12199793 has 4 divisors (see below), whose sum is σ = 12206820. Its totient is φ = 12192768.

The previous prime is 12199783. The next prime is 12199813. The reversal of 12199793 is 39799121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39799121 = 71 ⋅560551.

It can be written as a sum of positive squares in 2 ways, for example, as 11175649 + 1024144 = 3343^2 + 1012^2 .

It is a cyclic number.

It is not a de Polignac number, because 12199793 - 2¹² = 12195697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12199793.

It is not an unprimeable number, because it can be changed into a prime (12199783) 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 3 ways as a sum of consecutive naturals, for example, 1193 + ... + 5081.

It is an arithmetic number, because the mean of its divisors is an integer number (3051705).

Almost surely, 2^12199793 is an apocalyptic number.

It is an amenable number.

12199793 is a deficient number, since it is larger than the sum of its proper divisors (7027).

12199793 is an equidigital number, since it uses as much as digits as its factorization.

12199793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7026.

The product of its digits is 30618, while the sum is 41.

The square root of 12199793 is about 3492.8202072251. The cubic root of 12199793 is about 230.2064497943.

The spelling of 12199793 in words is "twelve million, one hundred ninety-nine thousand, seven hundred ninety-three".