27135212 has 12 divisors (see below), whose sum is σ = 51139536. Its totient is φ = 12523920.

The previous prime is 27135203. The next prime is 27135217. The reversal of 27135212 is 21253172.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27135217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260864 + ... + 260967.

It is an arithmetic number, because the mean of its divisors is an integer number (4261628).

Almost surely, 2^27135212 is an apocalyptic number.

It is an amenable number.

27135212 is a deficient number, since it is larger than the sum of its proper divisors (24004324).

27135212 is a wasteful number, since it uses less digits than its factorization.

27135212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521848 (or 521846 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 27135212 is about 5209.1469551165. The cubic root of 27135212 is about 300.4999515505.

Adding to 27135212 its reverse (21253172), we get a palindrome (48388384).

The spelling of 27135212 in words is "twenty-seven million, one hundred thirty-five thousand, two hundred twelve".