12323661 has 8 divisors (see below), whose sum is σ = 18778944. Its totient is φ = 7042080.

The previous prime is 12323659. The next prime is 12323669. The reversal of 12323661 is 16632321.

It is a happy number.

12323661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12323661 - 2¹ = 12323659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293400 + ... + 293441.

It is an arithmetic number, because the mean of its divisors is an integer number (2347368).

Almost surely, 2^12323661 is an apocalyptic number.

It is an amenable number.

12323661 is a deficient number, since it is larger than the sum of its proper divisors (6455283).

12323661 is an equidigital number, since it uses as much as digits as its factorization.

12323661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586851.

The product of its digits is 1296, while the sum is 24.

The square root of 12323661 is about 3510.5072283076. The cubic root of 12323661 is about 230.9829450874.

Adding to 12323661 its reverse (16632321), we get a palindrome (28955982).

The spelling of 12323661 in words is "twelve million, three hundred twenty-three thousand, six hundred sixty-one".