12704705 has 8 divisors (see below), whose sum is σ = 16418472. Its totient is φ = 9381888.

The previous prime is 12704693. The next prime is 12704723. The reversal of 12704705 is 50740721.

12704705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 712336 + 11992369 = 844^2 + 3463^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12704705 - 2⁶ = 12704641 is a prime.

It is a super-2 number, since 2×12704705² = 322819058274050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97664 + ... + 97793.

It is an arithmetic number, because the mean of its divisors is an integer number (2052309).

Almost surely, 2^12704705 is an apocalyptic number.

It is an amenable number.

12704705 is a deficient number, since it is larger than the sum of its proper divisors (3713767).

12704705 is a wasteful number, since it uses less digits than its factorization.

12704705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195475.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 12704705 is about 3564.3660025312. The cubic root of 12704705 is about 233.3394635578.

The spelling of 12704705 in words is "twelve million, seven hundred four thousand, seven hundred five".