13026983921 has 8 divisors (see below), whose sum is σ = 14888789760. Its totient is φ = 11165380128.

The previous prime is 13026983917. The next prime is 13026983933. The reversal of 13026983921 is 12938962031.

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

It is not a de Polignac number, because 13026983921 - 2² = 13026983917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13026983911) 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, 131285 + ... + 208061.

It is an arithmetic number, because the mean of its divisors is an integer number (1861098720).

Almost surely, 2^13026983921 is an apocalyptic number.

It is an amenable number.

13026983921 is a deficient number, since it is larger than the sum of its proper divisors (1861805839).

13026983921 is an equidigital number, since it uses as much as digits as its factorization.

13026983921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101023.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 13026983921 in words is "thirteen billion, twenty-six million, nine hundred eighty-three thousand, nine hundred twenty-one".