27874013 has 2 divisors, whose sum is σ = 27874014. Its totient is φ = 27874012.

The previous prime is 27873977. The next prime is 27874027. The reversal of 27874013 is 31047872.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23020804 + 4853209 = 4798^2 + 2203^2 .

It is a cyclic number.

It is not a de Polignac number, because 27874013 - 2⁶ = 27873949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27874043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13937006 + 13937007.

It is an arithmetic number, because the mean of its divisors is an integer number (13937007).

Almost surely, 2^27874013 is an apocalyptic number.

It is an amenable number.

27874013 is a deficient number, since it is larger than the sum of its proper divisors (1).

27874013 is an equidigital number, since it uses as much as digits as its factorization.

27874013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 27874013 is about 5279.5845480492. The cubic root of 27874013 is about 303.2027710324.

The spelling of 27874013 in words is "twenty-seven million, eight hundred seventy-four thousand, thirteen".