27130512 has 40 divisors (see below), whose sum is σ = 70821856. Its totient is φ = 8948736.

The previous prime is 27130471. The next prime is 27130517. The reversal of 27130512 is 21503172.

It is not an unprimeable number, because it can be changed into a prime (27130517) 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, 1743 + ... + 7569.

Almost surely, 2^27130512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27130512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35410928).

27130512 is an abundant number, since it is smaller than the sum of its proper divisors (43691344).

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

27130512 is a wasteful number, since it uses less digits than its factorization.

27130512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935 (or 5929 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 27130512 is about 5208.6958060536. The cubic root of 27130512 is about 300.4826010157.

Adding to 27130512 its reverse (21503172), we get a palindrome (48633684).

The spelling of 27130512 in words is "twenty-seven million, one hundred thirty thousand, five hundred twelve".