7317213 has 4 divisors (see below), whose sum is σ = 9756288. Its totient is φ = 4878140.

The previous prime is 7317203. The next prime is 7317253. The reversal of 7317213 is 3127137.

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.

It is a cyclic number.

It is not a de Polignac number, because 7317213 - 2¹³ = 7309021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7317203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219533 + ... + 1219538.

It is an arithmetic number, because the mean of its divisors is an integer number (2439072).

Almost surely, 2^7317213 is an apocalyptic number.

It is an amenable number.

7317213 is a deficient number, since it is larger than the sum of its proper divisors (2439075).

7317213 is a wasteful number, since it uses less digits than its factorization.

7317213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439074.

The product of its digits is 882, while the sum is 24.

The square root of 7317213 is about 2705.0347502389. The cubic root of 7317213 is about 194.1400925971.

The spelling of 7317213 in words is "seven million, three hundred seventeen thousand, two hundred thirteen".