12724797444 has 12 divisors (see below), whose sum is σ = 29691194064. Its totient is φ = 4241599144.

The previous prime is 12724797431. The next prime is 12724797461. The reversal of 12724797444 is 44479742721.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530199882 + ... + 530199905.

It is an arithmetic number, because the mean of its divisors is an integer number (2474266172).

Almost surely, 2^12724797444 is an apocalyptic number.

It is an amenable number.

12724797444 is an abundant number, since it is smaller than the sum of its proper divisors (16966396620).

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

12724797444 is a wasteful number, since it uses less digits than its factorization.

12724797444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060399794 (or 1060399792 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 51.

The spelling of 12724797444 in words is "twelve billion, seven hundred twenty-four million, seven hundred ninety-seven thousand, four hundred forty-four".