13504794187 has 8 divisors (see below), whose sum is σ = 13543570656. Its totient is φ = 13466070912.

The previous prime is 13504794181. The next prime is 13504794223. The reversal of 13504794187 is 78149740531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13504794187 - 2¹¹ = 13504792139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13504794187.

It is not an unprimeable number, because it can be changed into a prime (13504794181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526083 + ... + 551155.

It is an arithmetic number, because the mean of its divisors is an integer number (1692946332).

Almost surely, 2^13504794187 is an apocalyptic number.

13504794187 is a deficient number, since it is larger than the sum of its proper divisors (38776469).

13504794187 is an equidigital number, since it uses as much as digits as its factorization.

13504794187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26597.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 13504794187 in words is "thirteen billion, five hundred four million, seven hundred ninety-four thousand, one hundred eighty-seven".