7712213 has 2 divisors, whose sum is σ = 7712214. Its totient is φ = 7712212.

The previous prime is 7712209. The next prime is 7712219. The reversal of 7712213 is 3122177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7711729 + 484 = 2777^2 + 22^2 .

It is a cyclic number.

It is not a de Polignac number, because 7712213 - 2² = 7712209 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is equal to p₅₂₁₆₇₂ and since 7712213 and 521672 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7712219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3856106 + 3856107.

It is an arithmetic number, because the mean of its divisors is an integer number (3856107).

Almost surely, 2^7712213 is an apocalyptic number.

It is an amenable number.

7712213 is a deficient number, since it is larger than the sum of its proper divisors (1).

7712213 is an equidigital number, since it uses as much as digits as its factorization.

7712213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 588, while the sum is 23.

The square root of 7712213 is about 2777.0871430331. The cubic root of 7712213 is about 197.5724287041.

The spelling of 7712213 in words is "seven million, seven hundred twelve thousand, two hundred thirteen".