12393579744 has 384 divisors, whose sum is σ = 44727137280. Its totient is φ = 3251238912.

The previous prime is 12393579743. The next prime is 12393579817. The reversal of 12393579744 is 44797539321.

12393579744 is a `hidden beast` number, since 1 + 23 + 9 + 3 + 579 + 7 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12393579743) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22250314 + ... + 22250870.

It is an arithmetic number, because the mean of its divisors is an integer number (116476920).

Almost surely, 2^12393579744 is an apocalyptic number.

12393579744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12393579744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22363568640).

12393579744 is an abundant number, since it is smaller than the sum of its proper divisors (32333557536).

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

12393579744 is a wasteful number, since it uses less digits than its factorization.

12393579744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 865 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The spelling of 12393579744 in words is "twelve billion, three hundred ninety-three million, five hundred seventy-nine thousand, seven hundred forty-four".