12731513601 has 8 divisors (see below), whose sum is σ = 17050133664. Its totient is φ = 8450284640.

The previous prime is 12731513569. The next prime is 12731513623. The reversal of 12731513601 is 10631513721.

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 12731513601 - 2⁵ = 12731513569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12731513701) 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, 9346980 + ... + 9348341.

It is an arithmetic number, because the mean of its divisors is an integer number (2131266708).

Almost surely, 2^12731513601 is an apocalyptic number.

It is an amenable number.

12731513601 is a deficient number, since it is larger than the sum of its proper divisors (4318620063).

12731513601 is a wasteful number, since it uses less digits than its factorization.

12731513601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18695551.

The product of its (nonzero) digits is 3780, while the sum is 30.

The spelling of 12731513601 in words is "twelve billion, seven hundred thirty-one million, five hundred thirteen thousand, six hundred one".