12635104173 has 8 divisors (see below), whose sum is σ = 16934095488. Its totient is φ = 8379757824.

The previous prime is 12635104171. The next prime is 12635104199. The reversal of 12635104173 is 37140153621.

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

It is not a de Polignac number, because 12635104173 - 2¹ = 12635104171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12635104171) 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, 10910565 + ... + 10911722.

It is an arithmetic number, because the mean of its divisors is an integer number (2116761936).

Almost surely, 2^12635104173 is an apocalyptic number.

It is an amenable number.

12635104173 is a deficient number, since it is larger than the sum of its proper divisors (4298991315).

12635104173 is a wasteful number, since it uses less digits than its factorization.

12635104173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21822483.

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

Adding to 12635104173 its reverse (37140153621), we get a palindrome (49775257794).

The spelling of 12635104173 in words is "twelve billion, six hundred thirty-five million, one hundred four thousand, one hundred seventy-three".