13003210997 has 6 divisors (see below), whose sum is σ = 15126184278. Its totient is φ = 11145609384.

The previous prime is 13003210991. The next prime is 13003210999. The reversal of 13003210997 is 79901230031.

It can be written as a sum of positive squares in only one way, i.e., 12609942436 + 393268561 = 112294^2 + 19831^2 .

It is not a de Polignac number, because 13003210997 - 2¹² = 13003206901 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 (13003210991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132685778 + ... + 132685875.

It is an arithmetic number, because the mean of its divisors is an integer number (2521030713).

Almost surely, 2^13003210997 is an apocalyptic number.

It is an amenable number.

13003210997 is a deficient number, since it is larger than the sum of its proper divisors (2122973281).

13003210997 is an equidigital number, since it uses as much as digits as its factorization.

13003210997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265371667 (or 265371660 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 35.

The spelling of 13003210997 in words is "thirteen billion, three million, two hundred ten thousand, nine hundred ninety-seven".