7841213 has 4 divisors (see below), whose sum is σ = 7846908. Its totient is φ = 7835520.

The previous prime is 7841201. The next prime is 7841219. The reversal of 7841213 is 3121487.

7841213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4318084 + 3523129 = 2078^2 + 1877^2 .

It is a cyclic number.

It is not a de Polignac number, because 7841213 - 2¹⁴ = 7824829 is a prime.

It is a super-2 number, since 2×7841213² = 122969242622738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7841219) 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, 653 + ... + 4013.

It is an arithmetic number, because the mean of its divisors is an integer number (1961727).

Almost surely, 2^7841213 is an apocalyptic number.

It is an amenable number.

7841213 is a deficient number, since it is larger than the sum of its proper divisors (5695).

7841213 is a wasteful number, since it uses less digits than its factorization.

7841213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694.

The product of its digits is 1344, while the sum is 26.

The square root of 7841213 is about 2800.2165987652. The cubic root of 7841213 is about 198.6679225456.

The spelling of 7841213 in words is "seven million, eight hundred forty-one thousand, two hundred thirteen".