12843629806 has 24 divisors (see below), whose sum is σ = 22415329800. Its totient is φ = 5503306032.

The previous prime is 12843629803. The next prime is 12843629807. The reversal of 12843629806 is 60892634821.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 12843629806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12843629803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 642145 + ... + 661843.

It is an arithmetic number, because the mean of its divisors is an integer number (933972075).

Almost surely, 2^12843629806 is an apocalyptic number.

12843629806 is a deficient number, since it is larger than the sum of its proper divisors (9571699994).

12843629806 is a wasteful number, since it uses less digits than its factorization.

12843629806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26368 (or 26361 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 12843629806 in words is "twelve billion, eight hundred forty-three million, six hundred twenty-nine thousand, eight hundred six".