713805 has 16 divisors (see below), whose sum is σ = 1192320. Its totient is φ = 363968.

The previous prime is 713771. The next prime is 713807. The reversal of 713805 is 508317.

713805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 713805 - 2¹⁰ = 712781 is a prime.

713805 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 713805.

It is not an unprimeable number, because it can be changed into a prime (713807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690 + ... + 1379.

It is an arithmetic number, because the mean of its divisors is an integer number (74520).

2⁷¹³⁸⁰⁵ is an apocalyptic number.

713805 is the 690-th pentagonal number.

It is an amenable number.

713805 is a deficient number, since it is larger than the sum of its proper divisors (478515).

713805 is a wasteful number, since it uses less digits than its factorization.

713805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 713805 is about 844.8698124563. The cubic root of 713805 is about 89.3702957734.

The spelling of 713805 in words is "seven hundred thirteen thousand, eight hundred five".