12734454587 has 4 divisors (see below), whose sum is σ = 12831664296. Its totient is φ = 12637244880.

The previous prime is 12734454541. The next prime is 12734454619. The reversal of 12734454587 is 78545443721.

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 12734454587 - 2¹⁶ = 12734389051 is a prime.

It is a super-3 number, since 3×12734454587³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12734454517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48604658 + ... + 48604919.

It is an arithmetic number, because the mean of its divisors is an integer number (3207916074).

Almost surely, 2^12734454587 is an apocalyptic number.

12734454587 is a deficient number, since it is larger than the sum of its proper divisors (97209709).

12734454587 is an equidigital number, since it uses as much as digits as its factorization.

12734454587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97209708.

The product of its digits is 3763200, while the sum is 50.

The spelling of 12734454587 in words is "twelve billion, seven hundred thirty-four million, four hundred fifty-four thousand, five hundred eighty-seven".