12908513019 has 8 divisors (see below), whose sum is σ = 17213438800. Its totient is φ = 8604631296.

The previous prime is 12908513017. The next prime is 12908513027. The reversal of 12908513019 is 91031580921.

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

It is not a de Polignac number, because 12908513019 - 2¹ = 12908513017 is a prime.

It is a super-2 number, since 2×12908513019² (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 (12908513017) 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, 231694 + ... + 281955.

It is an arithmetic number, because the mean of its divisors is an integer number (2151679850).

Almost surely, 2^12908513019 is an apocalyptic number.

12908513019 is a deficient number, since it is larger than the sum of its proper divisors (4304925781).

12908513019 is an equidigital number, since it uses as much as digits as its factorization.

12908513019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522029.

The product of its (nonzero) digits is 19440, while the sum is 39.

The spelling of 12908513019 in words is "twelve billion, nine hundred eight million, five hundred thirteen thousand, nineteen".