12811806926 has 8 divisors (see below), whose sum is σ = 19236988920. Its totient is φ = 6399477288.

The previous prime is 12811806923. The next prime is 12811806929. The reversal of 12811806926 is 62960811821.

It is an interprime number because it is at equal distance from previous prime (12811806923) and next prime (12811806929).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12811806923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3210596 + ... + 3214583.

It is an arithmetic number, because the mean of its divisors is an integer number (2404623615).

Almost surely, 2^12811806926 is an apocalyptic number.

12811806926 is a deficient number, since it is larger than the sum of its proper divisors (6425181994).

12811806926 is an equidigital number, since it uses as much as digits as its factorization.

12811806926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6426178.

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 12811806926 in words is "twelve billion, eight hundred eleven million, eight hundred six thousand, nine hundred twenty-six".