12732487546 has 8 divisors (see below), whose sum is σ = 19101408084. Its totient is φ = 6365351520.

The previous prime is 12732487541. The next prime is 12732487549. The reversal of 12732487546 is 64578423721.

It can be written as a sum of positive squares in 2 ways, for example, as 12053624521 + 678863025 = 109789^2 + 26055^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12732487546.

It is not an unprimeable number, because it can be changed into a prime (12732487541) 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, 428145 + ... + 456916.

Almost surely, 2^12732487546 is an apocalyptic number.

12732487546 is a deficient number, since it is larger than the sum of its proper divisors (6368920538).

12732487546 is an equidigital number, since it uses as much as digits as its factorization.

12732487546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892256.

The product of its digits is 2257920, while the sum is 49.

The spelling of 12732487546 in words is "twelve billion, seven hundred thirty-two million, four hundred eighty-seven thousand, five hundred forty-six".