12734813878 has 8 divisors (see below), whose sum is σ = 20107600920. Its totient is φ = 6032280240.

The previous prime is 12734813873. The next prime is 12734813879. The reversal of 12734813878 is 87831843721.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12734813873) 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, 167563303 + ... + 167563378.

It is an arithmetic number, because the mean of its divisors is an integer number (2513450115).

Almost surely, 2^12734813878 is an apocalyptic number.

12734813878 is a deficient number, since it is larger than the sum of its proper divisors (7372787042).

12734813878 is a wasteful number, since it uses less digits than its factorization.

12734813878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335126702.

The product of its digits is 1806336, while the sum is 52.

The spelling of 12734813878 in words is "twelve billion, seven hundred thirty-four million, eight hundred thirteen thousand, eight hundred seventy-eight".