12708905 has 16 divisors (see below), whose sum is σ = 16718400. Its totient is φ = 9197760.

The previous prime is 12708889. The next prime is 12708919. The reversal of 12708905 is 50980721.

It is not a de Polignac number, because 12708905 - 2⁴ = 12708889 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14366 + ... + 15224.

It is an arithmetic number, because the mean of its divisors is an integer number (1044900).

Almost surely, 2^12708905 is an apocalyptic number.

It is an amenable number.

12708905 is a deficient number, since it is larger than the sum of its proper divisors (4009495).

12708905 is a wasteful number, since it uses less digits than its factorization.

12708905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 12708905 is about 3564.9551189321. The cubic root of 12708905 is about 233.3651736595.

The spelling of 12708905 in words is "twelve million, seven hundred eight thousand, nine hundred five".