11518673 has 6 divisors (see below), whose sum is σ = 12236406. Its totient is φ = 10840832.

The previous prime is 11518669. The next prime is 11518681. The reversal of 11518673 is 37681511.

It can be written as a sum of positive squares in 3 ways, for example, as 8162449 + 3356224 = 2857^2 + 1832^2 .

It is not a de Polignac number, because 11518673 - 2² = 11518669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11518603) 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 5 ways as a sum of consecutive naturals, for example, 19640 + ... + 20217.

It is an arithmetic number, because the mean of its divisors is an integer number (2039401).

Almost surely, 2^11518673 is an apocalyptic number.

It is an amenable number.

11518673 is a deficient number, since it is larger than the sum of its proper divisors (717733).

11518673 is an equidigital number, since it uses as much as digits as its factorization.

11518673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39891 (or 39874 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 11518673 is about 3393.9170585033. The cubic root of 11518673 is about 225.8399746900.

The spelling of 11518673 in words is "eleven million, five hundred eighteen thousand, six hundred seventy-three".