12708305 has 16 divisors (see below), whose sum is σ = 16191360. Its totient is φ = 9554688.

The previous prime is 12708301. The next prime is 12708317. The reversal of 12708305 is 50380721.

12708305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12708305 - 2² = 12708301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12708301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5849 + ... + 7721.

It is an arithmetic number, because the mean of its divisors is an integer number (1011960).

Almost surely, 2^12708305 is an apocalyptic number.

It is an amenable number.

12708305 is a deficient number, since it is larger than the sum of its proper divisors (3483055).

12708305 is a wasteful number, since it uses less digits than its factorization.

12708305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12708305 is about 3564.8709654067. The cubic root of 12708305 is about 233.3615011346.

The spelling of 12708305 in words is "twelve million, seven hundred eight thousand, three hundred five".