27012300 has 144 divisors (see below), whose sum is σ = 94160640. Its totient is φ = 5840640.

The previous prime is 27012283. The next prime is 27012313. The reversal of 27012300 is 321072.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 27012300.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39562 + ... + 40238.

Almost surely, 2^27012300 is an apocalyptic number.

27012300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27012300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47080320).

27012300 is an abundant number, since it is smaller than the sum of its proper divisors (67148340).

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

27012300 is a wasteful number, since it uses less digits than its factorization.

27012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 27012300 is about 5197.3358559939. The cubic root of 27012300 is about 300.0455486396.

Adding to 27012300 its reverse (321072), we get a palindrome (27333372).

The spelling of 27012300 in words is "twenty-seven million, twelve thousand, three hundred".