13704312636 has 144 divisors (see below), whose sum is σ = 40749735936. Its totient is φ = 3801313152.

The previous prime is 13704312613. The next prime is 13704312641. The reversal of 13704312636 is 63621340731.

13704312636 is a `hidden beast` number, since 1 + 3 + 7 + 0 + 4 + 3 + 12 + 636 = 666.

It is a super-3 number, since 3×13704312636³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13704312636.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5098885 + ... + 5101571.

Almost surely, 2^13704312636 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 13704312636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20374867968).

13704312636 is an abundant number, since it is smaller than the sum of its proper divisors (27045423300).

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

13704312636 is a wasteful number, since it uses less digits than its factorization.

13704312636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288 (or 3283 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 13704312636 in words is "thirteen billion, seven hundred four million, three hundred twelve thousand, six hundred thirty-six".