7313312 has 24 divisors (see below), whose sum is σ = 14458500. Its totient is φ = 3641344.

The previous prime is 7313297. The next prime is 7313323. The reversal of 7313312 is 2133137.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6948496 + 364816 = 2636^2 + 604^2 .

It is an unprimeable number.

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, 14114 + ... + 14622.

Almost surely, 2^7313312 is an apocalyptic number.

It is an amenable number.

7313312 is a deficient number, since it is larger than the sum of its proper divisors (7145188).

7313312 is a wasteful number, since it uses less digits than its factorization.

7313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 960 counting only the distinct ones).

The product of its digits is 378, while the sum is 20.

The square root of 7313312 is about 2704.3135912834. The cubic root of 7313312 is about 194.1055860563.

Adding to 7313312 its reverse (2133137), we get a palindrome (9446449).

The spelling of 7313312 in words is "seven million, three hundred thirteen thousand, three hundred twelve".