12303316 has 6 divisors (see below), whose sum is σ = 21530810. Its totient is φ = 6151656.

The previous prime is 12303301. The next prime is 12303323. The reversal of 12303316 is 61330321.

It can be written as a sum of positive squares in only one way, i.e., 6780816 + 5522500 = 2604^2 + 2350^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12303293 and 12303302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1537911 + ... + 1537918.

Almost surely, 2^12303316 is an apocalyptic number.

It is an amenable number.

12303316 is a deficient number, since it is larger than the sum of its proper divisors (9227494).

12303316 is a wasteful number, since it uses less digits than its factorization.

12303316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075833 (or 3075831 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 12303316 is about 3507.6083019630. The cubic root of 12303316 is about 230.8557659852.

Adding to 12303316 its reverse (61330321), we get a palindrome (73633637).

The spelling of 12303316 in words is "twelve million, three hundred three thousand, three hundred sixteen".