8111213 has 16 divisors (see below), whose sum is σ = 9365760. Its totient is φ = 6955200.

The previous prime is 8111189. The next prime is 8111239. The reversal of 8111213 is 3121118.

8111213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8111213 - 2⁶ = 8111149 is a prime.

It is a super-3 number, since 3×8111213³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8111191 and 8111200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8111263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14723 + ... + 15263.

It is an arithmetic number, because the mean of its divisors is an integer number (585360).

Almost surely, 2^8111213 is an apocalyptic number.

It is an amenable number.

8111213 is a deficient number, since it is larger than the sum of its proper divisors (1254547).

8111213 is a wasteful number, since it uses less digits than its factorization.

8111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628.

The product of its digits is 48, while the sum is 17.

The square root of 8111213 is about 2848.0191361717. The cubic root of 8111213 is about 200.9225133036.

The spelling of 8111213 in words is "eight million, one hundred eleven thousand, two hundred thirteen".