12693776847 has 8 divisors (see below), whose sum is σ = 17508657840. Its totient is φ = 8170706880.

The previous prime is 12693776839. The next prime is 12693776867. The reversal of 12693776847 is 74867739621.

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

It is not a de Polignac number, because 12693776847 - 2³ = 12693776839 is a prime.

It is a super-2 number, since 2×12693776847² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12693776807) 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, 72952654 + ... + 72952827.

It is an arithmetic number, because the mean of its divisors is an integer number (2188582230).

Almost surely, 2^12693776847 is an apocalyptic number.

12693776847 is a deficient number, since it is larger than the sum of its proper divisors (4814880993).

12693776847 is a wasteful number, since it uses less digits than its factorization.

12693776847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145905513.

The product of its digits is 21337344, while the sum is 60.

The spelling of 12693776847 in words is "twelve billion, six hundred ninety-three million, seven hundred seventy-six thousand, eight hundred forty-seven".