12346660 has 12 divisors (see below), whose sum is σ = 25928028. Its totient is φ = 4938656.

The previous prime is 12346657. The next prime is 12346661. The reversal of 12346660 is 6664321.

It can be written as a sum of positive squares in 2 ways, for example, as 5345344 + 7001316 = 2312^2 + 2646^2 .

It is not an unprimeable number, because it can be changed into a prime (12346661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308647 + ... + 308686.

It is an arithmetic number, because the mean of its divisors is an integer number (2160669).

Almost surely, 2^12346660 is an apocalyptic number.

12346660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12346660 is an abundant number, since it is smaller than the sum of its proper divisors (13581368).

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

12346660 is a wasteful number, since it uses less digits than its factorization.

12346660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617342 (or 617340 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 12346660 is about 3513.7814388490. The cubic root of 12346660 is about 231.1265462311.

The spelling of 12346660 in words is "twelve million, three hundred forty-six thousand, six hundred sixty".