12926388043 has 4 divisors (see below), whose sum is σ = 13275749920. Its totient is φ = 12577026168.

The previous prime is 12926388023. The next prime is 12926388103. The reversal of 12926388043 is 34088362921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12926388043 - 2⁹ = 12926387531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12926387984 and 12926388002.

It is not an unprimeable number, because it can be changed into a prime (12926388023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174680883 + ... + 174680956.

It is an arithmetic number, because the mean of its divisors is an integer number (3318937480).

Almost surely, 2^12926388043 is an apocalyptic number.

12926388043 is a deficient number, since it is larger than the sum of its proper divisors (349361877).

12926388043 is an equidigital number, since it uses as much as digits as its factorization.

12926388043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349361876.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 12926388043 in words is "twelve billion, nine hundred twenty-six million, three hundred eighty-eight thousand, forty-three".