12303660 has 48 divisors (see below), whose sum is σ = 35191296. Its totient is φ = 3210432.

The previous prime is 12303653. The next prime is 12303667. The reversal of 12303660 is 6630321.

It is an interprime number because it is at equal distance from previous prime (12303653) and next prime (12303667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639 + ... + 5001.

It is an arithmetic number, because the mean of its divisors is an integer number (733152).

Almost surely, 2^12303660 is an apocalyptic number.

12303660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12303660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17595648).

12303660 is an abundant number, since it is smaller than the sum of its proper divisors (22887636).

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

12303660 is a wasteful number, since it uses less digits than its factorization.

12303660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422 (or 4420 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 12303660 is about 3507.6573378824. The cubic root of 12303660 is about 230.8579175364.

Adding to 12303660 its reverse (6630321), we get a palindrome (18933981).

The spelling of 12303660 in words is "twelve million, three hundred three thousand, six hundred sixty".