27317013 has 4 divisors (see below), whose sum is σ = 36422688. Its totient is φ = 18211340.

The previous prime is 27316981. The next prime is 27317023. The reversal of 27317013 is 31071372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27317013 - 2⁵ = 27316981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27317023) 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 in 3 ways as a sum of consecutive naturals, for example, 4552833 + ... + 4552838.

It is an arithmetic number, because the mean of its divisors is an integer number (9105672).

Almost surely, 2^27317013 is an apocalyptic number.

It is an amenable number.

27317013 is a deficient number, since it is larger than the sum of its proper divisors (9105675).

27317013 is an equidigital number, since it uses as much as digits as its factorization.

27317013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9105674.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 27317013 is about 5226.5679943917. The cubic root of 27317013 is about 301.1695567537.

Adding to 27317013 its reverse (31071372), we get a palindrome (58388385).

The spelling of 27317013 in words is "twenty-seven million, three hundred seventeen thousand, thirteen".