12827185919 has 8 divisors (see below), whose sum is σ = 12865298160. Its totient is φ = 12789100800.

The previous prime is 12827185909. The next prime is 12827185927. The reversal of 12827185919 is 91958172821.

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

It is a cyclic number.

It is not a de Polignac number, because 12827185919 - 2¹² = 12827181823 is a prime.

It is a super-2 number, since 2×12827185919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12827185909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1302524 + ... + 1312334.

It is an arithmetic number, because the mean of its divisors is an integer number (1608162270).

Almost surely, 2^12827185919 is an apocalyptic number.

12827185919 is a deficient number, since it is larger than the sum of its proper divisors (38112241).

12827185919 is an equidigital number, since it uses as much as digits as its factorization.

12827185919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13561.

The product of its digits is 725760, while the sum is 53.

The spelling of 12827185919 in words is "twelve billion, eight hundred twenty-seven million, one hundred eighty-five thousand, nine hundred nineteen".