12807746554 has 8 divisors (see below), whose sum is σ = 19215920628. Its totient is φ = 6402439680.

The previous prime is 12807746527. The next prime is 12807746579. The reversal of 12807746554 is 45564770821.

It can be written as a sum of positive squares in 2 ways, for example, as 9921156025 + 2886590529 = 99605^2 + 53727^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12807746498 and 12807746507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705597 + ... + 723520.

Almost surely, 2^12807746554 is an apocalyptic number.

12807746554 is a deficient number, since it is larger than the sum of its proper divisors (6408174074).

12807746554 is a wasteful number, since it uses less digits than its factorization.

12807746554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433600.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 12807746554 in words is "twelve billion, eight hundred seven million, seven hundred forty-six thousand, five hundred fifty-four".