12993646895 has 8 divisors (see below), whose sum is σ = 15606968640. Its totient is φ = 10385189280.

The previous prime is 12993646891. The next prime is 12993646901. The reversal of 12993646895 is 59864639921.

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

It is not a de Polignac number, because 12993646895 - 2² = 12993646891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12993646891) 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, 1210151 + ... + 1220840.

It is an arithmetic number, because the mean of its divisors is an integer number (1950871080).

Almost surely, 2^12993646895 is an apocalyptic number.

12993646895 is a deficient number, since it is larger than the sum of its proper divisors (2613321745).

12993646895 is a wasteful number, since it uses less digits than its factorization.

12993646895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432065.

The product of its digits is 25194240, while the sum is 62.

The spelling of 12993646895 in words is "twelve billion, nine hundred ninety-three million, six hundred forty-six thousand, eight hundred ninety-five".