8130005 has 32 divisors (see below), whose sum is σ = 11491200. Its totient is φ = 5467392.

The previous prime is 8129999. The next prime is 8130007. The reversal of 8130005 is 5000318.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8130005 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130007) 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 31 ways as a sum of consecutive naturals, for example, 35702 + ... + 35928.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

Almost surely, 2^8130005 is an apocalyptic number.

It is an amenable number.

8130005 is a deficient number, since it is larger than the sum of its proper divisors (3361195).

8130005 is a wasteful number, since it uses less digits than its factorization.

8130005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 8130005 is about 2851.3163626648. The cubic root of 8130005 is about 201.0775589074.

The spelling of 8130005 in words is "eight million, one hundred thirty thousand, five".