8126618 has 4 divisors (see below), whose sum is σ = 12189930. Its totient is φ = 4063308.

The previous prime is 8126617. The next prime is 8126647. The reversal of 8126618 is 8166218.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7991929 + 134689 = 2827^2 + 367^2 .

It is not an unprimeable number, because it can be changed into a prime (8126617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2031653 + ... + 2031656.

Almost surely, 2^8126618 is an apocalyptic number.

8126618 is a deficient number, since it is larger than the sum of its proper divisors (4063312).

8126618 is a wasteful number, since it uses less digits than its factorization.

8126618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063311.

The product of its digits is 4608, while the sum is 32.

The square root of 8126618 is about 2850.7223645946. The cubic root of 8126618 is about 201.0496317294.

The spelling of 8126618 in words is "eight million, one hundred twenty-six thousand, six hundred eighteen".