27212113 has 4 divisors (see below), whose sum is σ = 27237888. Its totient is φ = 27186340.

The previous prime is 27212111. The next prime is 27212167. The reversal of 27212113 is 31121272.

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 27212113 - 2¹ = 27212111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27212111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11233 + ... + 13438.

It is an arithmetic number, because the mean of its divisors is an integer number (6809472).

Almost surely, 2^27212113 is an apocalyptic number.

It is an amenable number.

27212113 is a deficient number, since it is larger than the sum of its proper divisors (25775).

27212113 is a wasteful number, since it uses less digits than its factorization.

27212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25774.

The product of its digits is 168, while the sum is 19.

The square root of 27212113 is about 5216.5230757661. The cubic root of 27212113 is about 300.7835553918.

Adding to 27212113 its reverse (31121272), we get a palindrome (58333385).

The spelling of 27212113 in words is "twenty-seven million, two hundred twelve thousand, one hundred thirteen".