13224326737728 has 112 divisors (see below), whose sum is σ = 36180659346944. Its totient is φ = 4258517483520.

The previous prime is 13224326737667. The next prime is 13224326737747. The reversal of 13224326737728 is 82773762342231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1508976 + ... + 5359632.

It is an arithmetic number, because the mean of its divisors is an integer number (323041601312).

Almost surely, 2^{13224326737728} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13224326737728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18090329673472).

13224326737728 is an abundant number, since it is smaller than the sum of its proper divisors (22956332609216).

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

13224326737728 is a wasteful number, since it uses less digits than its factorization.

13224326737728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851280 (or 3851270 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 57.

The spelling of 13224326737728 in words is "thirteen trillion, two hundred twenty-four billion, three hundred twenty-six million, seven hundred thirty-seven thousand, seven hundred twenty-eight".