12738265346 has 8 divisors (see below), whose sum is σ = 19221814080. Its totient is φ = 6330993988.

The previous prime is 12738265333. The next prime is 12738265369. The reversal of 12738265346 is 64356283721.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12738265346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19068926 + ... + 19069593.

It is an arithmetic number, because the mean of its divisors is an integer number (2402726760).

Almost surely, 2^12738265346 is an apocalyptic number.

12738265346 is a deficient number, since it is larger than the sum of its proper divisors (6483548734).

12738265346 is a wasteful number, since it uses less digits than its factorization.

12738265346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38138688.

The product of its digits is 1451520, while the sum is 47.

The spelling of 12738265346 in words is "twelve billion, seven hundred thirty-eight million, two hundred sixty-five thousand, three hundred forty-six".