27013387 has 2 divisors, whose sum is σ = 27013388. Its totient is φ = 27013386.

The previous prime is 27013351. The next prime is 27013397. The reversal of 27013387 is 78331072.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27013387 is a prime.

It is not a weakly prime, because it can be changed into another prime (27013397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13506693 + 13506694.

It is an arithmetic number, because the mean of its divisors is an integer number (13506694).

Almost surely, 2^27013387 is an apocalyptic number.

27013387 is a deficient number, since it is larger than the sum of its proper divisors (1).

27013387 is an equidigital number, since it uses as much as digits as its factorization.

27013387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 27013387 is about 5197.4404277490. The cubic root of 27013387 is about 300.0495732893.

The spelling of 27013387 in words is "twenty-seven million, thirteen thousand, three hundred eighty-seven".