12761226 has 40 divisors (see below), whose sum is σ = 29381220. Its totient is φ = 4136832.

The previous prime is 12761219. The next prime is 12761257. The reversal of 12761226 is 62216721.

12761226 is a `hidden beast` number, since 1 + 27 + 612 + 26 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12638025 + 123201 = 3555^2 + 351^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12761226.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4930 + ... + 7058.

Almost surely, 2^12761226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12761226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14690610).

12761226 is an abundant number, since it is smaller than the sum of its proper divisors (16619994).

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

12761226 is a wasteful number, since it uses less digits than its factorization.

12761226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180 (or 2171 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 12761226 is about 3572.2858228311. The cubic root of 12761226 is about 233.6849804384.

Adding to 12761226 its reverse (62216721), we get a palindrome (74977947).

The spelling of 12761226 in words is "twelve million, seven hundred sixty-one thousand, two hundred twenty-six".