12276727326 has 12 divisors (see below), whose sum is σ = 26599575912. Its totient is φ = 4092242436.

The previous prime is 12276727321. The next prime is 12276727349. The reversal of 12276727326 is 62372767221.

It is a super-2 number, since 2×12276727326² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12276727321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 341020186 + ... + 341020221.

It is an arithmetic number, because the mean of its divisors is an integer number (2216631326).

Almost surely, 2^12276727326 is an apocalyptic number.

12276727326 is an abundant number, since it is smaller than the sum of its proper divisors (14322848586).

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

12276727326 is a wasteful number, since it uses less digits than its factorization.

12276727326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682040415 (or 682040412 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The spelling of 12276727326 in words is "twelve billion, two hundred seventy-six million, seven hundred twenty-seven thousand, three hundred twenty-six".