713391 has 24 divisors (see below), whose sum is σ = 1160064. Its totient is φ = 388080.

The previous prime is 713389. The next prime is 713399. The reversal of 713391 is 193317.

It is not a de Polignac number, because 713391 - 2¹ = 713389 is a prime.

It is an Ulam number.

713391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3276 + ... + 3486.

It is an arithmetic number, because the mean of its divisors is an integer number (48336).

2⁷¹³³⁹¹ is an apocalyptic number.

713391 is a deficient number, since it is larger than the sum of its proper divisors (446673).

713391 is a wasteful number, since it uses less digits than its factorization.

713391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 244 counting only the distinct ones).

The product of its digits is 567, while the sum is 24.

The square root of 713391 is about 844.6247687583. The cubic root of 713391 is about 89.3530144627.

Adding to 713391 its sum of digits (24), we get a triangular number (713415 = T₁₁₉₄).

The spelling of 713391 in words is "seven hundred thirteen thousand, three hundred ninety-one".