12727722 has 32 divisors (see below), whose sum is σ = 29532672. Its totient is φ = 3581424.

The previous prime is 12727721. The next prime is 12727727. The reversal of 12727722 is 22772721.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12727722.

It is not an unprimeable number, because it can be changed into a prime (12727721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553 + ... + 5075.

It is an arithmetic number, because the mean of its divisors is an integer number (922896).

Almost surely, 2^12727722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12727722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14766336).

12727722 is an abundant number, since it is smaller than the sum of its proper divisors (16804950).

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

12727722 is a wasteful number, since it uses less digits than its factorization.

12727722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602.

The product of its digits is 5488, while the sum is 30.

The square root of 12727722 is about 3567.5933064182. The cubic root of 12727722 is about 233.4802915502.

The spelling of 12727722 in words is "twelve million, seven hundred twenty-seven thousand, seven hundred twenty-two".