13687174424 has 96 divisors (see below), whose sum is σ = 32289697440. Its totient is φ = 5324183040.

The previous prime is 13687174411. The next prime is 13687174433. The reversal of 13687174424 is 42447178631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5805854 + ... + 5808210.

It is an arithmetic number, because the mean of its divisors is an integer number (336351015).

Almost surely, 2^13687174424 is an apocalyptic number.

13687174424 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 13687174424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16144848720).

13687174424 is an abundant number, since it is smaller than the sum of its proper divisors (18602523016).

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

13687174424 is a wasteful number, since it uses less digits than its factorization.

13687174424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249 (or 3234 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The spelling of 13687174424 in words is "thirteen billion, six hundred eighty-seven million, one hundred seventy-four thousand, four hundred twenty-four".