12303320 has 16 divisors (see below), whose sum is σ = 27682560. Its totient is φ = 4921312.

The previous prime is 12303301. The next prime is 12303323. The reversal of 12303320 is 2330321.

It is a junction number, because it is equal to n+sod(n) for n = 12303295 and 12303304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153752 + ... + 153831.

It is an arithmetic number, because the mean of its divisors is an integer number (1730160).

Almost surely, 2^12303320 is an apocalyptic number.

12303320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12303320 is an abundant number, since it is smaller than the sum of its proper divisors (15379240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12303320 is a wasteful number, since it uses less digits than its factorization.

12303320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307594 (or 307590 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 12303320 is about 3507.6088721521. The cubic root of 12303320 is about 230.8557910035.

Adding to 12303320 its reverse (2330321), we get a palindrome (14633641).

The spelling of 12303320 in words is "twelve million, three hundred three thousand, three hundred twenty".