12716226 has 24 divisors (see below), whose sum is σ = 28139904. Its totient is φ = 4148280.

The previous prime is 12716177. The next prime is 12716233. The reversal of 12716226 is 62261721.

It is a self number, because there is not a number n which added to its sum of digits gives 12716226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6670 + ... + 8361.

It is an arithmetic number, because the mean of its divisors is an integer number (1172496).

Almost surely, 2^12716226 is an apocalyptic number.

12716226 is an abundant number, since it is smaller than the sum of its proper divisors (15423678).

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

12716226 is a wasteful number, since it uses less digits than its factorization.

12716226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15086 (or 15083 counting only the distinct ones).

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

The square root of 12716226 is about 3565.9817722473. The cubic root of 12716226 is about 233.4099752765.

Adding to 12716226 its reverse (62261721), we get a palindrome (74977947).

The spelling of 12716226 in words is "twelve million, seven hundred sixteen thousand, two hundred twenty-six".