12781360 has 40 divisors (see below), whose sum is σ = 29904336. Its totient is φ = 5080320.

The previous prime is 12781343. The next prime is 12781361. The reversal of 12781360 is 6318721.

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

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (12781361) 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, 15355 + ... + 16165.

Almost surely, 2^12781360 is an apocalyptic number.

12781360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12781360 is an abundant number, since it is smaller than the sum of its proper divisors (17122976).

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

12781360 is a wasteful number, since it uses less digits than its factorization.

12781360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 12781360 is about 3575.1027957249. The cubic root of 12781360 is about 233.8078145381.

The spelling of 12781360 in words is "twelve million, seven hundred eighty-one thousand, three hundred sixty".