13211502697 has 8 divisors (see below), whose sum is σ = 13402903976. Its totient is φ = 13020383232.

The previous prime is 13211502599. The next prime is 13211502767. The reversal of 13211502697 is 79620511231.

13211502697 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 8417879001 + 4793623696 = 91749^2 + 69236^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13211502697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13211502397) 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, 24913 + ... + 164449.

It is an arithmetic number, because the mean of its divisors is an integer number (1675362997).

Almost surely, 2^13211502697 is an apocalyptic number.

It is an amenable number.

13211502697 is a deficient number, since it is larger than the sum of its proper divisors (191401279).

13211502697 is a wasteful number, since it uses less digits than its factorization.

13211502697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140907.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 13211502697 in words is "thirteen billion, two hundred eleven million, five hundred two thousand, six hundred ninety-seven".