12726272 has 52 divisors (see below), whose sum is σ = 27521760. Its totient is φ = 5849088.

The previous prime is 12726271. The next prime is 12726283. The reversal of 12726272 is 27262721.

It is a tau number, because it is divible by the number of its divisors (52).

It is not an unprimeable number, because it can be changed into a prime (12726271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53129 + ... + 53367.

Almost surely, 2^12726272 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 12726272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13760880).

12726272 is an abundant number, since it is smaller than the sum of its proper divisors (14795488).

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

12726272 is an equidigital number, since it uses as much as digits as its factorization.

12726272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 254 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 12726272 is about 3567.3900823992. The cubic root of 12726272 is about 233.4714248344.

Adding to 12726272 its reverse (27262721), we get a palindrome (39988993).

The spelling of 12726272 in words is "twelve million, seven hundred twenty-six thousand, two hundred seventy-two".