12308 has 12 divisors (see below), whose sum is σ = 22932. Its totient is φ = 5760.

The previous prime is 12301. The next prime is 12323. The reversal of 12308 is 80321.

It can be written as a sum of positive squares in 2 ways, for example, as 3844 + 8464 = 62^2 + 92^2 .

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 12292 and 12301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301) by changing a digit.

12308 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 158.

It is an arithmetic number, because the mean of its divisors is an integer number (1911).

2¹²³⁰⁸ is an apocalyptic number.

It is an amenable number.

12308 is a deficient number, since it is larger than the sum of its proper divisors (10624).

12308 is a wasteful number, since it uses less digits than its factorization.

12308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12308 is about 110.9414259869. The cubic root of 12308 is about 23.0885058663.

Adding to 12308 its reverse (80321), we get a palindrome (92629).

The spelling of 12308 in words is "twelve thousand, three hundred eight".