12793224781 has 8 divisors (see below), whose sum is σ = 12920544000. Its totient is φ = 12666458640.

The previous prime is 12793224733. The next prime is 12793224791. The reversal of 12793224781 is 18742239721.

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 12793224781 - 2¹³ = 12793216589 is a prime.

It is a super-2 number, since 2×12793224781² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12793224721) 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, 91701 + ... + 184378.

It is an arithmetic number, because the mean of its divisors is an integer number (1615068000).

Almost surely, 2^12793224781 is an apocalyptic number.

It is an amenable number.

12793224781 is a deficient number, since it is larger than the sum of its proper divisors (127319219).

12793224781 is a wasteful number, since it uses less digits than its factorization.

12793224781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276539.

The product of its digits is 338688, while the sum is 46.

The spelling of 12793224781 in words is "twelve billion, seven hundred ninety-three million, two hundred twenty-four thousand, seven hundred eighty-one".