12726226 has 8 divisors (see below), whose sum is σ = 19200204. Its totient is φ = 6326160.

The previous prime is 12726223. The next prime is 12726269. The reversal of 12726226 is 62262721.

12726226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12567025 + 159201 = 3545^2 + 399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12726194 and 12726203.

It is not an unprimeable number, because it can be changed into a prime (12726221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18045 + ... + 18736.

Almost surely, 2^12726226 is an apocalyptic number.

12726226 is a deficient number, since it is larger than the sum of its proper divisors (6473978).

12726226 is a wasteful number, since it uses less digits than its factorization.

12726226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36956.

The product of its digits is 4032, while the sum is 28.

The square root of 12726226 is about 3567.3836351029. The cubic root of 12726226 is about 233.4711435345.

Adding to 12726226 its reverse (62262721), we get a palindrome (74988947).

The spelling of 12726226 in words is "twelve million, seven hundred twenty-six thousand, two hundred twenty-six".