12870459636 has 24 divisors (see below), whose sum is σ = 30036600384. Its totient is φ = 4289363520.

The previous prime is 12870459619. The next prime is 12870459659. The reversal of 12870459636 is 63695407821.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28825 + ... + 163008.

It is an arithmetic number, because the mean of its divisors is an integer number (1251525016).

It is a 1-persistent number, because it is pandigital, but 2⋅12870459636 = 25740919272 is not.

Almost surely, 2^12870459636 is an apocalyptic number.

It is an amenable number.

12870459636 is an abundant number, since it is smaller than the sum of its proper divisors (17166140748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12870459636 is a wasteful number, since it uses less digits than its factorization.

12870459636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197431 (or 197429 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 12870459636 in words is "twelve billion, eight hundred seventy million, four hundred fifty-nine thousand, six hundred thirty-six".