13707974784 has 128 divisors (see below), whose sum is σ = 41659574400. Its totient is φ = 3912228864.

The previous prime is 13707974779. The next prime is 13707974807. The reversal of 13707974784 is 48747970731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3032494 + ... + 3037010.

It is an arithmetic number, because the mean of its divisors is an integer number (325465425).

Almost surely, 2^13707974784 is an apocalyptic number.

13707974784 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 13707974784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20829787200).

13707974784 is an abundant number, since it is smaller than the sum of its proper divisors (27951599616).

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

13707974784 is a wasteful number, since it uses less digits than its factorization.

13707974784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670 (or 5658 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 57.

The spelling of 13707974784 in words is "thirteen billion, seven hundred seven million, nine hundred seventy-four thousand, seven hundred eighty-four".