12886704619 has 4 divisors (see below), whose sum is σ = 13302404800. Its totient is φ = 12471004440.

The previous prime is 12886704617. The next prime is 12886704637. The reversal of 12886704619 is 91640768821.

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 12886704619 - 2¹ = 12886704617 is a prime.

It is a super-2 number, since 2×12886704619² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12886704617) 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, 207850044 + ... + 207850105.

It is an arithmetic number, because the mean of its divisors is an integer number (3325601200).

Almost surely, 2^12886704619 is an apocalyptic number.

12886704619 is a deficient number, since it is larger than the sum of its proper divisors (415700181).

12886704619 is an equidigital number, since it uses as much as digits as its factorization.

12886704619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415700180.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 12886704619 in words is "twelve billion, eight hundred eighty-six million, seven hundred four thousand, six hundred nineteen".