12487471580 has 24 divisors (see below), whose sum is σ = 26225821440. Its totient is φ = 4994582720.

The previous prime is 12487471561. The next prime is 12487471597. The reversal of 12487471580 is 8517478421.

It is a super-2 number, since 2×12487471580² (a number of 21 digits) contains 22 as substring.

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, 404741 + ... + 434499.

It is an arithmetic number, because the mean of its divisors is an integer number (1092742560).

Almost surely, 2^12487471580 is an apocalyptic number.

12487471580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12487471580 is an abundant number, since it is smaller than the sum of its proper divisors (13738349860).

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

12487471580 is a wasteful number, since it uses less digits than its factorization.

12487471580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50749 (or 50747 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 47.

The spelling of 12487471580 in words is "twelve billion, four hundred eighty-seven million, four hundred seventy-one thousand, five hundred eighty".