12738847587 has 8 divisors (see below), whose sum is σ = 17263575120. Its totient is φ = 8353342560.

The previous prime is 12738847547. The next prime is 12738847601. The reversal of 12738847587 is 78574883721.

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

It is not a de Polignac number, because 12738847587 - 2¹⁵ = 12738814819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12738847587.

It is not an unprimeable number, because it can be changed into a prime (12738847547) 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, 34805412 + ... + 34805777.

It is an arithmetic number, because the mean of its divisors is an integer number (2157946890).

Almost surely, 2^12738847587 is an apocalyptic number.

12738847587 is a deficient number, since it is larger than the sum of its proper divisors (4524727533).

12738847587 is an equidigital number, since it uses as much as digits as its factorization.

12738847587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69611253.

The product of its digits is 21073920, while the sum is 60.

The spelling of 12738847587 in words is "twelve billion, seven hundred thirty-eight million, eight hundred forty-seven thousand, five hundred eighty-seven".