12808904514 has 48 divisors (see below), whose sum is σ = 29583350208. Its totient is φ = 3621846528.

The previous prime is 12808904497. The next prime is 12808904519. The reversal of 12808904514 is 41540980821.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (12808904519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378972 + ... + 411384.

It is an arithmetic number, because the mean of its divisors is an integer number (616319796).

Almost surely, 2^12808904514 is an apocalyptic number.

12808904514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12808904514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14791675104).

12808904514 is an abundant number, since it is smaller than the sum of its proper divisors (16774445694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12808904514 is an equidigital number, since it uses as much as digits as its factorization.

12808904514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32619 (or 32522 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 12808904514 in words is "twelve billion, eight hundred eight million, nine hundred four thousand, five hundred fourteen".