12913339634 has 16 divisors (see below), whose sum is σ = 20861883672. Its totient is φ = 5959467648.

The previous prime is 12913339609. The next prime is 12913339639. The reversal of 12913339634 is 43693331921.

12913339634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1857868609 + 11055471025 = 43103^2 + 105145^2 .

It is not an unprimeable number, because it can be changed into a prime (12913339639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545672 + ... + 568844.

Almost surely, 2^12913339634 is an apocalyptic number.

12913339634 is a deficient number, since it is larger than the sum of its proper divisors (7948544038).

12913339634 is a wasteful number, since it uses less digits than its factorization.

12913339634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44621.

The product of its digits is 314928, while the sum is 44.

The spelling of 12913339634 in words is "twelve billion, nine hundred thirteen million, three hundred thirty-nine thousand, six hundred thirty-four".