27057813 has 12 divisors (see below), whose sum is σ = 36713088. Its totient is φ = 17725960.

The previous prime is 27057787. The next prime is 27057817. The reversal of 27057813 is 31875072.

It is not a de Polignac number, because 27057813 - 2⁵ = 27057781 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27057817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9148 + ... + 11738.

It is an arithmetic number, because the mean of its divisors is an integer number (3059424).

Almost surely, 2^27057813 is an apocalyptic number.

It is an amenable number.

27057813 is a deficient number, since it is larger than the sum of its proper divisors (9655275).

27057813 is an equidigital number, since it uses as much as digits as its factorization.

27057813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712 (or 2653 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 27057813 is about 5201.7125064732. The cubic root of 27057813 is about 300.2139695760.

The spelling of 27057813 in words is "twenty-seven million, fifty-seven thousand, eight hundred thirteen".