13082705 has 8 divisors (see below), whose sum is σ = 15719400. Its totient is φ = 10452736.

The previous prime is 13082687. The next prime is 13082711. The reversal of 13082705 is 50728031.

It can be written as a sum of positive squares in 4 ways, for example, as 3323329 + 9759376 = 1823^2 + 3124^2 .

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 13082705 - 2¹² = 13078609 is a prime.

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, 5081 + ... + 7209.

It is an arithmetic number, because the mean of its divisors is an integer number (1964925).

Almost surely, 2^13082705 is an apocalyptic number.

It is an amenable number.

13082705 is a deficient number, since it is larger than the sum of its proper divisors (2636695).

13082705 is a wasteful number, since it uses less digits than its factorization.

13082705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363.

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

The square root of 13082705 is about 3617.0022117770. The cubic root of 13082705 is about 235.6310487510.

The spelling of 13082705 in words is "thirteen million, eighty-two thousand, seven hundred five".