27212 has 6 divisors (see below), whose sum is σ = 47628. Its totient is φ = 13604.

The previous prime is 27211. The next prime is 27239. The reversal of 27212 is 21272.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (27211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3398 + ... + 3405.

It is an arithmetic number, because the mean of its divisors is an integer number (7938).

2²⁷²¹² is an apocalyptic number.

It is an amenable number.

27212 is a deficient number, since it is larger than the sum of its proper divisors (20416).

27212 is a wasteful number, since it uses less digits than its factorization.

27212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807 (or 6805 counting only the distinct ones).

The product of its digits is 56, while the sum is 14.

The square root of 27212 is about 164.9606013568. The cubic root of 27212 is about 30.0783139050.

Adding to 27212 its reverse (21272), we get a palindrome (48484).

The spelling of 27212 in words is "twenty-seven thousand, two hundred twelve", and thus it is an iban number.