13187507632 has 80 divisors (see below), whose sum is σ = 29065028608. Its totient is φ = 5753099520.

The previous prime is 13187507617. The next prime is 13187507659. The reversal of 13187507632 is 23670578131.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253483 + ... + 301045.

Almost surely, 2^13187507632 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 13187507632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14532514304).

13187507632 is an abundant number, since it is smaller than the sum of its proper divisors (15877520976).

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

13187507632 is a wasteful number, since it uses less digits than its factorization.

13187507632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47658 (or 47652 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 13187507632 in words is "thirteen billion, one hundred eighty-seven million, five hundred seven thousand, six hundred thirty-two".