27306812 has 24 divisors (see below), whose sum is σ = 52562496. Its totient is φ = 12333888.

The previous prime is 27306809. The next prime is 27306817. The reversal of 27306812 is 21860372.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27306817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3143 + ... + 8030.

It is an arithmetic number, because the mean of its divisors is an integer number (2190104).

Almost surely, 2^27306812 is an apocalyptic number.

It is an amenable number.

27306812 is a deficient number, since it is larger than the sum of its proper divisors (25255684).

27306812 is a wasteful number, since it uses less digits than its factorization.

27306812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11237 (or 11235 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 27306812 is about 5225.5920238763. The cubic root of 27306812 is about 301.1320634750.

The spelling of 27306812 in words is "twenty-seven million, three hundred six thousand, eight hundred twelve".