8130688 has 16 divisors (see below), whose sum is σ = 16198110. Its totient is φ = 4065280.

The previous prime is 8130673. The next prime is 8130697. The reversal of 8130688 is 8860318.

It can be written as a sum of positive squares in only one way, i.e., 6512704 + 1617984 = 2552^2 + 1272^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×8130688² = 132216174706688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31633 + ... + 31888.

Almost surely, 2^8130688 is an apocalyptic number.

It is an amenable number.

8130688 is a deficient number, since it is larger than the sum of its proper divisors (8067422).

8130688 is an equidigital number, since it uses as much as digits as its factorization.

8130688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63535 (or 63523 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 8130688 is about 2851.4361293916. The cubic root of 8130688 is about 201.0831895775.

The spelling of 8130688 in words is "eight million, one hundred thirty thousand, six hundred eighty-eight".