12587992465 has 8 divisors (see below), whose sum is σ = 15994155240. Its totient is φ = 9478017792.

The previous prime is 12587992453. The next prime is 12587992471. The reversal of 12587992465 is 56429978521.

It is a happy number.

12587992465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2876284161 + 9711708304 = 53631^2 + 98548^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12587992465 - 2⁵ = 12587992433 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74046930 + ... + 74047099.

It is an arithmetic number, because the mean of its divisors is an integer number (1999269405).

Almost surely, 2^12587992465 is an apocalyptic number.

It is an amenable number.

12587992465 is a deficient number, since it is larger than the sum of its proper divisors (3406162775).

12587992465 is a wasteful number, since it uses less digits than its factorization.

12587992465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148094051.

The product of its digits is 10886400, while the sum is 58.

The spelling of 12587992465 in words is "twelve billion, five hundred eighty-seven million, nine hundred ninety-two thousand, four hundred sixty-five".