12173645013 has 8 divisors (see below), whose sum is σ = 16232194368. Its totient is φ = 8115429504.

The previous prime is 12173645009. The next prime is 12173645041. The reversal of 12173645013 is 31054637121.

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

It is not a de Polignac number, because 12173645013 - 2² = 12173645009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12173645063) 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, 19920 + ... + 157302.

It is an arithmetic number, because the mean of its divisors is an integer number (2029024296).

Almost surely, 2^12173645013 is an apocalyptic number.

It is an amenable number.

12173645013 is a deficient number, since it is larger than the sum of its proper divisors (4058549355).

12173645013 is a wasteful number, since it uses less digits than its factorization.

12173645013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166923.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 12173645013 in words is "twelve billion, one hundred seventy-three million, six hundred forty-five thousand, thirteen".