12393361 has 4 divisors (see below), whose sum is σ = 12627252. Its totient is φ = 12159472.

The previous prime is 12393317. The next prime is 12393371. The reversal of 12393361 is 16339321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16339321 = 2161 ⋅7561.

It can be written as a sum of positive squares in 2 ways, for example, as 8614225 + 3779136 = 2935^2 + 1944^2 .

It is not a de Polignac number, because 12393361 - 2⁷ = 12393233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12393371) 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, 116866 + ... + 116971.

It is an arithmetic number, because the mean of its divisors is an integer number (3156813).

Almost surely, 2^12393361 is an apocalyptic number.

It is an amenable number.

12393361 is a deficient number, since it is larger than the sum of its proper divisors (233891).

12393361 is an equidigital number, since it uses as much as digits as its factorization.

12393361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233890.

The product of its digits is 2916, while the sum is 28.

The square root of 12393361 is about 3520.4205714659. The cubic root of 12393361 is about 231.4175901301.

The spelling of 12393361 in words is "twelve million, three hundred ninety-three thousand, three hundred sixty-one".