12654456534 has 12 divisors (see below), whose sum is σ = 27417989196. Its totient is φ = 4218152172.

The previous prime is 12654456523. The next prime is 12654456539. The reversal of 12654456534 is 43565445621.

12654456534 is a `hidden beast` number, since 1 + 2 + 6 + 54 + 4 + 565 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12654456534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12654456539) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 351512664 + ... + 351512699.

It is an arithmetic number, because the mean of its divisors is an integer number (2284832433).

Almost surely, 2^12654456534 is an apocalyptic number.

12654456534 is an abundant number, since it is smaller than the sum of its proper divisors (14763532662).

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

12654456534 is a wasteful number, since it uses less digits than its factorization.

12654456534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703025371 (or 703025368 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 12654456534 in words is "twelve billion, six hundred fifty-four million, four hundred fifty-six thousand, five hundred thirty-four".