7967313 has 6 divisors (see below), whose sum is σ = 11508354. Its totient is φ = 5311536.

The previous prime is 7967303. The next prime is 7967317. The reversal of 7967313 is 3137697.

It can be written as a sum of positive squares in only one way, i.e., 7800849 + 166464 = 2793^2 + 408^2 .

It is not a de Polignac number, because 7967313 - 2⁶ = 7967249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7967317) 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 5 ways as a sum of consecutive naturals, for example, 442620 + ... + 442637.

It is an arithmetic number, because the mean of its divisors is an integer number (1918059).

Almost surely, 2^7967313 is an apocalyptic number.

It is an amenable number.

7967313 is a deficient number, since it is larger than the sum of its proper divisors (3541041).

7967313 is a wasteful number, since it uses less digits than its factorization.

7967313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885263 (or 885260 counting only the distinct ones).

The product of its digits is 23814, while the sum is 36.

The square root of 7967313 is about 2822.6429104653. The cubic root of 7967313 is about 199.7272365028.

The spelling of 7967313 in words is "seven million, nine hundred sixty-seven thousand, three hundred thirteen".