12732594487 has 4 divisors (see below), whose sum is σ = 12733206640. Its totient is φ = 12731982336.

The previous prime is 12732594473. The next prime is 12732594493. The reversal of 12732594487 is 78449523721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12732594487 - 2³¹ = 10585110839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12732594467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273738 + ... + 316855.

It is an arithmetic number, because the mean of its divisors is an integer number (3183301660).

Almost surely, 2^12732594487 is an apocalyptic number.

12732594487 is a deficient number, since it is larger than the sum of its proper divisors (612153).

12732594487 is an equidigital number, since it uses as much as digits as its factorization.

12732594487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612152.

The product of its digits is 3386880, while the sum is 52.

The spelling of 12732594487 in words is "twelve billion, seven hundred thirty-two million, five hundred ninety-four thousand, four hundred eighty-seven".