12819980 has 24 divisors (see below), whose sum is σ = 27079920. Its totient is φ = 5097920.

The previous prime is 12819971. The next prime is 12820009. The reversal of 12819980 is 8991821.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1790 + ... + 5370.

It is an arithmetic number, because the mean of its divisors is an integer number (1128330).

Almost surely, 2^12819980 is an apocalyptic number.

12819980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 3580×3581.

It is an amenable number.

12819980 is an abundant number, since it is smaller than the sum of its proper divisors (14259940).

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

12819980 is a wasteful number, since it uses less digits than its factorization.

12819980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769 (or 3767 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 12819980 is about 3580.4999650887. The cubic root of 12819980 is about 234.0430680218.

The spelling of 12819980 in words is "twelve million, eight hundred nineteen thousand, nine hundred eighty".