12663560 has 128 divisors (see below), whose sum is σ = 36288000. Its totient is φ = 3951360.

The previous prime is 12663493. The next prime is 12663569. The reversal of 12663560 is 6536621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178325 + ... + 178395.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

Almost surely, 2^12663560 is an apocalyptic number.

12663560 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 12663560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18144000).

12663560 is an abundant number, since it is smaller than the sum of its proper divisors (23624440).

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

12663560 is a wasteful number, since it uses less digits than its factorization.

12663560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 12663560 is about 3558.5896082577. The cubic root of 12663560 is about 233.0872962142.

The spelling of 12663560 in words is "twelve million, six hundred sixty-three thousand, five hundred sixty".