13240779103 has 4 divisors (see below), whose sum is σ = 14019648480. Its totient is φ = 12461909728.

The previous prime is 13240779049. The next prime is 13240779131. The reversal of 13240779103 is 30197704231.

It is a happy number.

13240779103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30197704231 = 17 ⋅1776335543.

It is a cyclic number.

It is not a de Polignac number, because 13240779103 - 2¹³ = 13240770911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240779193) 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 3 ways as a sum of consecutive naturals, for example, 389434663 + ... + 389434696.

It is an arithmetic number, because the mean of its divisors is an integer number (3504912120).

Almost surely, 2^13240779103 is an apocalyptic number.

13240779103 is a deficient number, since it is larger than the sum of its proper divisors (778869377).

13240779103 is an equidigital number, since it uses as much as digits as its factorization.

13240779103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778869376.

The product of its (nonzero) digits is 31752, while the sum is 37.

The spelling of 13240779103 in words is "thirteen billion, two hundred forty million, seven hundred seventy-nine thousand, one hundred three".