8113287 has 32 divisors (see below), whose sum is σ = 13483008. Its totient is φ = 4225536.

The previous prime is 8113279. The next prime is 8113297. The reversal of 8113287 is 7823118.

It is a happy number.

It is not a de Polignac number, because 8113287 - 2³ = 8113279 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8113297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30718 + ... + 30980.

It is an arithmetic number, because the mean of its divisors is an integer number (421344).

Almost surely, 2^8113287 is an apocalyptic number.

8113287 is a deficient number, since it is larger than the sum of its proper divisors (5369721).

8113287 is a wasteful number, since it uses less digits than its factorization.

8113287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399.

The product of its digits is 2688, while the sum is 30.

The square root of 8113287 is about 2848.3832256212. The cubic root of 8113287 is about 200.9396368329.

The spelling of 8113287 in words is "eight million, one hundred thirteen thousand, two hundred eighty-seven".