27012680 has 32 divisors (see below), whose sum is σ = 63979200. Its totient is φ = 10236096.

The previous prime is 27012679. The next prime is 27012683. The reversal of 27012680 is 8621072.

It is not an unprimeable number, because it can be changed into a prime (27012683) 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 7 ways as a sum of consecutive naturals, for example, 17012 + ... + 18531.

It is an arithmetic number, because the mean of its divisors is an integer number (1999350).

Almost surely, 2^27012680 is an apocalyptic number.

27012680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27012680 is an abundant number, since it is smaller than the sum of its proper divisors (36966520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27012680 is a wasteful number, since it uses less digits than its factorization.

27012680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35573 (or 35569 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 27012680 is about 5197.3724130564. The cubic root of 27012680 is about 300.0469556131.

The spelling of 27012680 in words is "twenty-seven million, twelve thousand, six hundred eighty".