12308660 has 48 divisors (see below), whose sum is σ = 31817856. Its totient is φ = 3894912.

The previous prime is 12308623. The next prime is 12308669. The reversal of 12308660 is 6680321.

It is a super-2 number, since 2×12308660² = 303006221991200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12308669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1562 + ... + 5201.

It is an arithmetic number, because the mean of its divisors is an integer number (662872).

Almost surely, 2^12308660 is an apocalyptic number.

12308660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12308660 is an abundant number, since it is smaller than the sum of its proper divisors (19509196).

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

12308660 is a wasteful number, since it uses less digits than its factorization.

12308660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6792 (or 6790 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12308660 is about 3508.3699918908. The cubic root of 12308660 is about 230.8891855564.

Adding to 12308660 its reverse (6680321), we get a palindrome (18988981).

The spelling of 12308660 in words is "twelve million, three hundred eight thousand, six hundred sixty".