13504731604 has 96 divisors (see below), whose sum is σ = 29669068800. Its totient is φ = 5236202880.

The previous prime is 13504731553. The next prime is 13504731641. The reversal of 13504731604 is 40613740531.

It is a self number, because there is not a number n which added to its sum of digits gives 13504731604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9255427 + ... + 9256885.

It is an arithmetic number, because the mean of its divisors is an integer number (309052800).

Almost surely, 2^13504731604 is an apocalyptic number.

13504731604 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 13504731604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14834534400).

13504731604 is an abundant number, since it is smaller than the sum of its proper divisors (16164337196).

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

13504731604 is a wasteful number, since it uses less digits than its factorization.

13504731604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973 (or 1971 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 13504731604 in words is "thirteen billion, five hundred four million, seven hundred thirty-one thousand, six hundred four".