13197897123839 has 8 divisors (see below), whose sum is σ = 13207161535920. Its totient is φ = 13188634099200.

The previous prime is 13197897123833. The next prime is 13197897123871. The reversal of 13197897123839 is 93832179879131.

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 13197897123839 - 2¹⁶ = 13197897058303 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 (13197897123833) 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, 19064927 + ... + 19745055.

It is an arithmetic number, because the mean of its divisors is an integer number (1650895191990).

Almost surely, 2^{13197897123839} is an apocalyptic number.

13197897123839 is a deficient number, since it is larger than the sum of its proper divisors (9264412081).

13197897123839 is a wasteful number, since it uses less digits than its factorization.

13197897123839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693721.

The product of its digits is 123451776, while the sum is 71.

The spelling of 13197897123839 in words is "thirteen trillion, one hundred ninety-seven billion, eight hundred ninety-seven million, one hundred twenty-three thousand, eight hundred thirty-nine".