8113215 has 16 divisors (see below), whose sum is σ = 14161536. Its totient is φ = 3933600.

The previous prime is 8113213. The next prime is 8113271. The reversal of 8113215 is 5123118.

It is not a de Polignac number, because 8113215 - 2¹ = 8113213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8113191 and 8113200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8113211) 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, 24421 + ... + 24750.

It is an arithmetic number, because the mean of its divisors is an integer number (885096).

Almost surely, 2^8113215 is an apocalyptic number.

8113215 is a deficient number, since it is larger than the sum of its proper divisors (6048321).

8113215 is a wasteful number, since it uses less digits than its factorization.

8113215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49190.

The product of its digits is 240, while the sum is 21.

The square root of 8113215 is about 2848.3705868443. The cubic root of 8113215 is about 200.9390424295.

The spelling of 8113215 in words is "eight million, one hundred thirteen thousand, two hundred fifteen".