12727140 has 48 divisors (see below), whose sum is σ = 36472128. Its totient is φ = 3314304.

The previous prime is 12727139. The next prime is 12727147. The reversal of 12727140 is 4172721.

It is a self number, because there is not a number n which added to its sum of digits gives 12727140.

It is not an unprimeable number, because it can be changed into a prime (12727147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114 + ... + 5046.

It is an arithmetic number, because the mean of its divisors is an integer number (759836).

Almost surely, 2^12727140 is an apocalyptic number.

12727140 is a gapful number since it is divisible by the number (10) 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 12727140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18236064).

12727140 is an abundant number, since it is smaller than the sum of its proper divisors (23744988).

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

12727140 is a wasteful number, since it uses less digits than its factorization.

12727140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988 (or 4986 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 12727140 is about 3567.5117378924. The cubic root of 12727140 is about 233.4767327148.

Adding to 12727140 its reverse (4172721), we get a palindrome (16899861).

The spelling of 12727140 in words is "twelve million, seven hundred twenty-seven thousand, one hundred forty".