12045660 has 48 divisors (see below), whose sum is σ = 36796032. Its totient is φ = 2920000.

The previous prime is 12045653. The next prime is 12045661. The reversal of 12045660 is 6654021.

It is a self number, because there is not a number n which added to its sum of digits gives 12045660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045661) 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, 8466 + ... + 9785.

It is an arithmetic number, because the mean of its divisors is an integer number (766584).

Almost surely, 2^12045660 is an apocalyptic number.

12045660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12045660 is an abundant number, since it is smaller than the sum of its proper divisors (24750372).

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

12045660 is a wasteful number, since it uses less digits than its factorization.

12045660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18274 (or 18272 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12045660 is about 3470.6858111906. The cubic root of 12045660 is about 229.2328568401.

Adding to 12045660 its reverse (6654021), we get a palindrome (18699681).

The spelling of 12045660 in words is "twelve million, forty-five thousand, six hundred sixty".