718013 has 4 divisors (see below), whose sum is σ = 725088. Its totient is φ = 710940.

The previous prime is 718007. The next prime is 718043. The reversal of 718013 is 310817.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310817 = 13 ⋅23909.

It is a cyclic number.

It is not a de Polignac number, because 718013 - 2¹² = 713917 is a prime.

It is a Duffinian number.

It is a Curzon 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 718013.

It is not an unprimeable number, because it can be changed into a prime (718043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3383 + ... + 3588.

It is an arithmetic number, because the mean of its divisors is an integer number (181272).

2⁷¹⁸⁰¹³ is an apocalyptic number.

It is an amenable number.

718013 is a deficient number, since it is larger than the sum of its proper divisors (7075).

718013 is a wasteful number, since it uses less digits than its factorization.

718013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 718013 is about 847.3564775229. The cubic root of 718013 is about 89.5455694203.

The spelling of 718013 in words is "seven hundred eighteen thousand, thirteen".