12727320 has 64 divisors (see below), whose sum is σ = 38776320. Its totient is φ = 3341184.

The previous prime is 12727301. The next prime is 12727327. The reversal of 12727320 is 2372721.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12727327) 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, 7249 + ... + 8831.

It is an arithmetic number, because the mean of its divisors is an integer number (605880).

Almost surely, 2^12727320 is an apocalyptic number.

12727320 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 12727320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19388160).

12727320 is an abundant number, since it is smaller than the sum of its proper divisors (26049000).

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

12727320 is a wasteful number, since it uses less digits than its factorization.

12727320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664 (or 1660 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 12727320 is about 3567.5369654707. The cubic root of 12727320 is about 233.4778333972.

The spelling of 12727320 in words is "twelve million, seven hundred twenty-seven thousand, three hundred twenty".