13148704805 has 18 divisors (see below), whose sum is σ = 16658770086. Its totient is φ = 9961641936.

The previous prime is 13148704801. The next prime is 13148704813. The reversal of 13148704805 is 50840784131.

It can be written as a sum of positive squares in only one way, i.e., 10518963844 + 2629740961 = 102562^2 + 51281^2 .

It is not a de Polignac number, because 13148704805 - 2² = 13148704801 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13148704801) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4870346 + ... + 4873044.

It is an arithmetic number, because the mean of its divisors is an integer number (925487227).

Almost surely, 2^13148704805 is an apocalyptic number.

It is an amenable number.

13148704805 is a deficient number, since it is larger than the sum of its proper divisors (3510065281).

13148704805 is an frugal number, since it uses more digits than its factorization.

13148704805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441 (or 2723 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 13148704805 in words is "thirteen billion, one hundred forty-eight million, seven hundred four thousand, eight hundred five".