13929547075812 has 192 divisors, whose sum is σ = 37407705753600. Its totient is φ = 4477861440000.

The previous prime is 13929547075733. The next prime is 13929547075813. The reversal of 13929547075812 is 21857074592931.

It is a happy number.

13929547075812 is a `hidden beast` number, since 1 + 3 + 9 + 2 + 9 + 5 + 47 + 0 + 7 + 581 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13929547075812.

It is not an unprimeable number, because it can be changed into a prime (13929547075813) 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, 1694381862 + ... + 1694390082.

It is an arithmetic number, because the mean of its divisors is an integer number (194831800800).

Almost surely, 2^{13929547075812} is an apocalyptic number.

13929547075812 is a gapful number since it is divisible by the number (12) 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 13929547075812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18703852876800).

13929547075812 is an abundant number, since it is smaller than the sum of its proper divisors (23478158677788).

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

13929547075812 is a wasteful number, since it uses less digits than its factorization.

13929547075812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9955 (or 9947 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 63.

The spelling of 13929547075812 in words is "thirteen trillion, nine hundred twenty-nine billion, five hundred forty-seven million, seventy-five thousand, eight hundred twelve".