2688133 has 8 divisors (see below), whose sum is σ = 3111680. Its totient is φ = 2274480.

The previous prime is 2688073. The next prime is 2688137. The reversal of 2688133 is 3318862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2688133 - 2⁹ = 2687621 is a prime.

It is a Duffinian number.

2688133 is a lucky number.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2688095 and 2688104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688137) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1878 + ... + 2983.

It is an arithmetic number, because the mean of its divisors is an integer number (388960).

2^2688133 is an apocalyptic number.

It is an amenable number.

2688133 is a deficient number, since it is larger than the sum of its proper divisors (423547).

2688133 is an equidigital number, since it uses as much as digits as its factorization.

2688133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4947.

The product of its digits is 6912, while the sum is 31.

The square root of 2688133 is about 1639.5526828986. The cubic root of 2688133 is about 139.0433589697.

The spelling of 2688133 in words is "two million, six hundred eighty-eight thousand, one hundred thirty-three".