12687454554 has 32 divisors (see below), whose sum is σ = 26858045760. Its totient is φ = 3984422400.

The previous prime is 12687454523. The next prime is 12687454561. The reversal of 12687454554 is 45545478621.

It is a junction number, because it is equal to n+sod(n) for n = 12687454497 and 12687454506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286807 + ... + 328074.

It is an arithmetic number, because the mean of its divisors is an integer number (839313930).

Almost surely, 2^12687454554 is an apocalyptic number.

12687454554 is an abundant number, since it is smaller than the sum of its proper divisors (14170591206).

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

12687454554 is a wasteful number, since it uses less digits than its factorization.

12687454554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615086.

The product of its digits is 5376000, while the sum is 51.

The spelling of 12687454554 in words is "twelve billion, six hundred eighty-seven million, four hundred fifty-four thousand, five hundred fifty-four".