12945760 has 24 divisors (see below), whose sum is σ = 30584736. Its totient is φ = 5178240.

The previous prime is 12945739. The next prime is 12945767. The reversal of 12945760 is 6754921.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12945767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40296 + ... + 40615.

It is an arithmetic number, because the mean of its divisors is an integer number (1274364).

Almost surely, 2^12945760 is an apocalyptic number.

12945760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12945760 is an abundant number, since it is smaller than the sum of its proper divisors (17638976).

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

12945760 is an equidigital number, since it uses as much as digits as its factorization.

12945760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80926 (or 80918 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 12945760 is about 3598.0216786451. The cubic root of 12945760 is about 234.8059965171.

The spelling of 12945760 in words is "twelve million, nine hundred forty-five thousand, seven hundred sixty".