12665360 has 40 divisors (see below), whose sum is σ = 30402816. Its totient is φ = 4901760.

The previous prime is 12665311. The next prime is 12665363. The reversal of 12665360 is 6356621.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×12665360² = 320822687859200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12665363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74 + ... + 5033.

Almost surely, 2^12665360 is an apocalyptic number.

12665360 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 12665360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15201408).

12665360 is an abundant number, since it is smaller than the sum of its proper divisors (17737456).

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

12665360 is a wasteful number, since it uses less digits than its factorization.

12665360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151 (or 5145 counting only the distinct ones).

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

The square root of 12665360 is about 3558.8425084569. The cubic root of 12665360 is about 233.0983393768.

The spelling of 12665360 in words is "twelve million, six hundred sixty-five thousand, three hundred sixty".