7683213 has 4 divisors (see below), whose sum is σ = 10244288. Its totient is φ = 5122140.

The previous prime is 7683131. The next prime is 7683233. The reversal of 7683213 is 3123867.

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: 3123867 = 3 ⋅1041289.

It is not a de Polignac number, because 7683213 - 2¹⁰ = 7682189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7683233) 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, 1280533 + ... + 1280538.

It is an arithmetic number, because the mean of its divisors is an integer number (2561072).

Almost surely, 2^7683213 is an apocalyptic number.

It is an amenable number.

7683213 is a deficient number, since it is larger than the sum of its proper divisors (2561075).

7683213 is a wasteful number, since it uses less digits than its factorization.

7683213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561074.

The product of its digits is 6048, while the sum is 30.

The square root of 7683213 is about 2771.8609272473. The cubic root of 7683213 is about 197.3244757889.

The spelling of 7683213 in words is "seven million, six hundred eighty-three thousand, two hundred thirteen".