12517372005 has 16 divisors (see below), whose sum is σ = 20029832064. Its totient is φ = 6675252800.

The previous prime is 12517372003. The next prime is 12517372009. The reversal of 12517372005 is 50027371521.

It is a happy number.

It is not a de Polignac number, because 12517372005 - 2¹ = 12517372003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12517372001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133507 + ... + 207023.

It is an arithmetic number, because the mean of its divisors is an integer number (1251864504).

Almost surely, 2^12517372005 is an apocalyptic number.

12517372005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12517372005 is a deficient number, since it is larger than the sum of its proper divisors (7512460059).

12517372005 is a wasteful number, since it uses less digits than its factorization.

12517372005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84876.

The product of its (nonzero) digits is 14700, while the sum is 33.

The spelling of 12517372005 in words is "twelve billion, five hundred seventeen million, three hundred seventy-two thousand, five".