13122374173 has 4 divisors (see below), whose sum is σ = 13249775968. Its totient is φ = 12994972380.

The previous prime is 13122374143. The next prime is 13122374189. The reversal of 13122374173 is 37147322131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13122374173 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 (13122374143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63700743 + ... + 63700948.

It is an arithmetic number, because the mean of its divisors is an integer number (3312443992).

Almost surely, 2^13122374173 is an apocalyptic number.

It is an amenable number.

13122374173 is a deficient number, since it is larger than the sum of its proper divisors (127401795).

13122374173 is a wasteful number, since it uses less digits than its factorization.

13122374173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127401794.

The product of its digits is 21168, while the sum is 34.

The spelling of 13122374173 in words is "thirteen billion, one hundred twenty-two million, three hundred seventy-four thousand, one hundred seventy-three".