13227451238 has 4 divisors (see below), whose sum is σ = 19841176860. Its totient is φ = 6613725618.

The previous prime is 13227451229. The next prime is 13227451277. The reversal of 13227451238 is 83215472231.

13227451238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83215472231 = 141233 ⋅589207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3306862808 + ... + 3306862811.

It is an arithmetic number, because the mean of its divisors is an integer number (4960294215).

Almost surely, 2^13227451238 is an apocalyptic number.

13227451238 is a deficient number, since it is larger than the sum of its proper divisors (6613725622).

13227451238 is an equidigital number, since it uses as much as digits as its factorization.

13227451238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613725621.

The product of its digits is 80640, while the sum is 38.

The spelling of 13227451238 in words is "thirteen billion, two hundred twenty-seven million, four hundred fifty-one thousand, two hundred thirty-eight".