27012380 has 24 divisors (see below), whose sum is σ = 57251040. Its totient is φ = 10704960.

The previous prime is 27012379. The next prime is 27012397. The reversal of 27012380 is 8321072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4016 + ... + 8375.

It is an arithmetic number, because the mean of its divisors is an integer number (2385460).

Almost surely, 2^27012380 is an apocalyptic number.

27012380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27012380 is an abundant number, since it is smaller than the sum of its proper divisors (30238660).

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

27012380 is a wasteful number, since it uses less digits than its factorization.

27012380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12509 (or 12507 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 27012380 is about 5197.3435522390. The cubic root of 27012380 is about 300.0458448457.

The spelling of 27012380 in words is "twenty-seven million, twelve thousand, three hundred eighty".