13127612133 has 4 divisors (see below), whose sum is σ = 17503482848. Its totient is φ = 8751741420.

The previous prime is 13127612131. The next prime is 13127612209. The reversal of 13127612133 is 33121672131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33121672131 = 3 ⋅11040557377.

It is not a de Polignac number, because 13127612133 - 2¹ = 13127612131 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13127612133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13127612131) 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, 2187935353 + ... + 2187935358.

It is an arithmetic number, because the mean of its divisors is an integer number (4375870712).

Almost surely, 2^13127612133 is an apocalyptic number.

It is an amenable number.

13127612133 is a deficient number, since it is larger than the sum of its proper divisors (4375870715).

13127612133 is an equidigital number, since it uses as much as digits as its factorization.

13127612133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375870714.

The product of its digits is 4536, while the sum is 30.

The spelling of 13127612133 in words is "thirteen billion, one hundred twenty-seven million, six hundred twelve thousand, one hundred thirty-three".