13203235217 has 8 divisors (see below), whose sum is σ = 13694192640. Its totient is φ = 12714656080.

The previous prime is 13203235211. The next prime is 13203235247. The reversal of 13203235217 is 71253230231.

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

It is a cyclic number.

It is not a de Polignac number, because 13203235217 - 2³⁰ = 12129493393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13203235217.

It is not an unprimeable number, because it can be changed into a prime (13203235211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583259 + ... + 605472.

It is an arithmetic number, because the mean of its divisors is an integer number (1711774080).

Almost surely, 2^13203235217 is an apocalyptic number.

It is an amenable number.

13203235217 is a deficient number, since it is larger than the sum of its proper divisors (490957423).

13203235217 is a wasteful number, since it uses less digits than its factorization.

13203235217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189143.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 13203235217 its reverse (71253230231), we get a palindrome (84456465448).

The spelling of 13203235217 in words is "thirteen billion, two hundred three million, two hundred thirty-five thousand, two hundred seventeen".