13256426604 has 24 divisors (see below), whose sum is σ = 30935242240. Its totient is φ = 4418297424.

The previous prime is 13256426593. The next prime is 13256426629. The reversal of 13256426604 is 40662465231.

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 7 ways as a sum of consecutive naturals, for example, 52557 + ... + 171099.

Almost surely, 2^13256426604 is an apocalyptic number.

It is an amenable number.

13256426604 is an abundant number, since it is smaller than the sum of its proper divisors (17678815636).

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

13256426604 is a wasteful number, since it uses less digits than its factorization.

13256426604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127869 (or 127867 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 13256426604 in words is "thirteen billion, two hundred fifty-six million, four hundred twenty-six thousand, six hundred four".