13805726 has 24 divisors (see below), whose sum is σ = 23379192. Its totient is φ = 6063600.

The previous prime is 13805677. The next prime is 13805731. The reversal of 13805726 is 62750831.

It is a happy number.

13805726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13805692 and 13805701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20816 + ... + 21468.

It is an arithmetic number, because the mean of its divisors is an integer number (974133).

Almost surely, 2^13805726 is an apocalyptic number.

13805726 is a deficient number, since it is larger than the sum of its proper divisors (9573466).

13805726 is a wasteful number, since it uses less digits than its factorization.

13805726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 13805726 is about 3715.6057379652. The cubic root of 13805726 is about 239.8942010528.

The spelling of 13805726 in words is "thirteen million, eight hundred five thousand, seven hundred twenty-six".