12866745534 has 8 divisors (see below), whose sum is σ = 25733491080. Its totient is φ = 4288915176.

The previous prime is 12866745503. The next prime is 12866745611. The reversal of 12866745534 is 43554766821.

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

12866745534 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072228789 + ... + 1072228800.

It is an arithmetic number, because the mean of its divisors is an integer number (3216686385).

Almost surely, 2^12866745534 is an apocalyptic number.

12866745534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12866745534 is a wasteful number, since it uses less digits than its factorization.

12866745534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144457594.

The product of its digits is 4838400, while the sum is 51.

The spelling of 12866745534 in words is "twelve billion, eight hundred sixty-six million, seven hundred forty-five thousand, five hundred thirty-four".