713421 has 8 divisors (see below), whose sum is σ = 1056960. Its totient is φ = 475596.

The previous prime is 713417. The next prime is 713467. The reversal of 713421 is 124317.

It is not a de Polignac number, because 713421 - 2² = 713417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 713394 and 713403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13185 + ... + 13238.

It is an arithmetic number, because the mean of its divisors is an integer number (132120).

2⁷¹³⁴²¹ is an apocalyptic number.

It is an amenable number.

713421 is a deficient number, since it is larger than the sum of its proper divisors (343539).

713421 is a wasteful number, since it uses less digits than its factorization.

713421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26432 (or 26426 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 713421 is about 844.6425279371. The cubic root of 713421 is about 89.3542669563.

Adding to 713421 its reverse (124317), we get a palindrome (837738).

The spelling of 713421 in words is "seven hundred thirteen thousand, four hundred twenty-one".