13206534697 has 4 divisors (see below), whose sum is σ = 13211877460. Its totient is φ = 13201191936.

The previous prime is 13206534683. The next prime is 13206534773. The reversal of 13206534697 is 79643560231.

13206534697 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: 79643560231 = 2137 ⋅37268863.

It can be written as a sum of positive squares in 2 ways, for example, as 11274404761 + 1932129936 = 106181^2 + 43956^2 .

It is a cyclic number.

It is not a de Polignac number, because 13206534697 - 2⁷ = 13206534569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13206534637) 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, 2667672 + ... + 2672617.

It is an arithmetic number, because the mean of its divisors is an integer number (3302969365).

Almost surely, 2^13206534697 is an apocalyptic number.

It is an amenable number.

13206534697 is a deficient number, since it is larger than the sum of its proper divisors (5342763).

13206534697 is an equidigital number, since it uses as much as digits as its factorization.

13206534697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342762.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 13206534697 in words is "thirteen billion, two hundred six million, five hundred thirty-four thousand, six hundred ninety-seven".