13065885706 has 8 divisors (see below), whose sum is σ = 19610924004. Its totient is φ = 6528911040.

The previous prime is 13065885697. The next prime is 13065885709. The reversal of 13065885706 is 60758856031.

It can be written as a sum of positive squares in 2 ways, for example, as 12876575625 + 189310081 = 113475^2 + 13759^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 13065885706.

It is not an unprimeable number, because it can be changed into a prime (13065885709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011855 + ... + 2018338.

Almost surely, 2^13065885706 is an apocalyptic number.

13065885706 is a deficient number, since it is larger than the sum of its proper divisors (6545038298).

13065885706 is a wasteful number, since it uses less digits than its factorization.

13065885706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031816.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 13065885706 in words is "thirteen billion, sixty-five million, eight hundred eighty-five thousand, seven hundred six".