13087492704 has 960 divisors, whose sum is σ = 50161047552. Its totient is φ = 3284582400.

The previous prime is 13087492661. The next prime is 13087492711. The reversal of 13087492704 is 40729478031.

13087492704 is a `hidden beast` number, since 1 + 308 + 74 + 9 + 270 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13087492704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 195335679 + ... + 195335745.

Almost surely, 2^13087492704 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 13087492704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25080523776).

13087492704 is an abundant number, since it is smaller than the sum of its proper divisors (37073554848).

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

13087492704 is a wasteful number, since it uses less digits than its factorization.

13087492704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 13087492704 in words is "thirteen billion, eighty-seven million, four hundred ninety-two thousand, seven hundred four".