12486735556 has 12 divisors (see below), whose sum is σ = 22151127292. Its totient is φ = 6157842048.

The previous prime is 12486735493. The next prime is 12486735559. The reversal of 12486735556 is 65553768421.

It can be written as a sum of positive squares in 2 ways, for example, as 7592333956 + 4894401600 = 87134^2 + 69960^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12486735559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21381105 + ... + 21381688.

Almost surely, 2^12486735556 is an apocalyptic number.

It is an amenable number.

12486735556 is a deficient number, since it is larger than the sum of its proper divisors (9664391736).

12486735556 is a wasteful number, since it uses less digits than its factorization.

12486735556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42762870 (or 42762868 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 52.

The spelling of 12486735556 in words is "twelve billion, four hundred eighty-six million, seven hundred thirty-five thousand, five hundred fifty-six".