12870015487 has 16 divisors (see below), whose sum is σ = 14809923072. Its totient is φ = 10955561760.

The previous prime is 12870015479. The next prime is 12870015491. The reversal of 12870015487 is 78451007821.

It is a cyclic number.

It is not a de Polignac number, because 12870015487 - 2³ = 12870015479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870015407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495537 + ... + 1504117.

It is an arithmetic number, because the mean of its divisors is an integer number (925620192).

Almost surely, 2^12870015487 is an apocalyptic number.

12870015487 is a deficient number, since it is larger than the sum of its proper divisors (1939907585).

12870015487 is a wasteful number, since it uses less digits than its factorization.

12870015487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038.

The product of its (nonzero) digits is 125440, while the sum is 43.

The spelling of 12870015487 in words is "twelve billion, eight hundred seventy million, fifteen thousand, four hundred eighty-seven".