13811706 has 12 divisors (see below), whose sum is σ = 29925402. Its totient is φ = 4603896.

The previous prime is 13811687. The next prime is 13811713. The reversal of 13811706 is 60711831.

It can be written as a sum of positive squares in only one way, i.e., 13727025 + 84681 = 3705^2 + 291^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13811706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 383641 + ... + 383676.

Almost surely, 2^13811706 is an apocalyptic number.

13811706 is an abundant number, since it is smaller than the sum of its proper divisors (16113696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13811706 is a wasteful number, since it uses less digits than its factorization.

13811706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767325 (or 767322 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 13811706 is about 3716.4103648548. The cubic root of 13811706 is about 239.9288330657.

The spelling of 13811706 in words is "thirteen million, eight hundred eleven thousand, seven hundred six".