12144660 has 48 divisors (see below), whose sum is σ = 37098432. Its totient is φ = 2944000.

The previous prime is 12144637. The next prime is 12144677. The reversal of 12144660 is 6644121.

12144660 = T₄₄₅ + T₄₄₆ + ... + T₅₄₃.

It is a self number, because there is not a number n which added to its sum of digits gives 12144660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8541 + ... + 9860.

It is an arithmetic number, because the mean of its divisors is an integer number (772884).

Almost surely, 2^12144660 is an apocalyptic number.

12144660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12144660 is an abundant number, since it is smaller than the sum of its proper divisors (24953772).

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

12144660 is a wasteful number, since it uses less digits than its factorization.

12144660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18424 (or 18422 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12144660 is about 3484.9189373643. The cubic root of 12144660 is about 229.8591450101.

Adding to 12144660 its reverse (6644121), we get a palindrome (18788781).

The spelling of 12144660 in words is "twelve million, one hundred forty-four thousand, six hundred sixty".