27213316 has 12 divisors (see below), whose sum is σ = 51286732. Its totient is φ = 12559968.

The previous prime is 27213313. The next prime is 27213317. The reversal of 27213316 is 61331272.

It can be written as a sum of positive squares in 2 ways, for example, as 1811716 + 25401600 = 1346^2 + 5040^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (27213313) 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, 261615 + ... + 261718.

Almost surely, 2^27213316 is an apocalyptic number.

27213316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27213316 is a deficient number, since it is larger than the sum of its proper divisors (24073416).

27213316 is a wasteful number, since it uses less digits than its factorization.

27213316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523350 (or 523348 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 27213316 is about 5216.6383811800. The cubic root of 27213316 is about 300.7879876984.

Adding to 27213316 its reverse (61331272), we get a palindrome (88544588).

The spelling of 27213316 in words is "twenty-seven million, two hundred thirteen thousand, three hundred sixteen".