12163361 has 4 divisors (see below), whose sum is σ = 13900992. Its totient is φ = 10425732.

The previous prime is 12163357. The next prime is 12163379. The reversal of 12163361 is 16336121.

It is a happy number.

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 12163361 - 2² = 12163357 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12163301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868805 + ... + 868818.

It is an arithmetic number, because the mean of its divisors is an integer number (3475248).

Almost surely, 2^12163361 is an apocalyptic number.

It is an amenable number.

12163361 is a deficient number, since it is larger than the sum of its proper divisors (1737631).

12163361 is an equidigital number, since it uses as much as digits as its factorization.

12163361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737630.

The product of its digits is 648, while the sum is 23.

The square root of 12163361 is about 3487.6010379629. The cubic root of 12163361 is about 229.9770676569.

Adding to 12163361 its reverse (16336121), we get a palindrome (28499482).

The spelling of 12163361 in words is "twelve million, one hundred sixty-three thousand, three hundred sixty-one".