12774424576 has 45 divisors (see below), whose sum is σ = 25577035491. Its totient is φ = 6379978752.

The previous prime is 12774424561. The next prime is 12774424577. The reversal of 12774424576 is 67542447721.

The square root of 12774424576 is 113024.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12774424577) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14466631 + ... + 14467513.

Almost surely, 2^12774424576 is an apocalyptic number.

12774424576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12774424576 is the 113024-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12774424576

12774424576 is an abundant number, since it is smaller than the sum of its proper divisors (12802610915).

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

12774424576 is an frugal number, since it uses more digits than its factorization.

12774424576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 885 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 49.

Multiplying 12774424576 by its sum of digits (49), we get a square (625946804224 = 791168²).

The spelling of 12774424576 in words is "twelve billion, seven hundred seventy-four million, four hundred twenty-four thousand, five hundred seventy-six".