12923980 has 12 divisors (see below), whose sum is σ = 27140400. Its totient is φ = 5169584.

The previous prime is 12923947. The next prime is 12923983. The reversal of 12923980 is 8932921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12923983) 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, 323080 + ... + 323119.

It is an arithmetic number, because the mean of its divisors is an integer number (2261700).

Almost surely, 2^12923980 is an apocalyptic number.

12923980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12923980 is an abundant number, since it is smaller than the sum of its proper divisors (14216420).

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

12923980 is a wasteful number, since it uses less digits than its factorization.

12923980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646208 (or 646206 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 12923980 is about 3594.9937413019. The cubic root of 12923980 is about 234.6742430764.

The spelling of 12923980 in words is "twelve million, nine hundred twenty-three thousand, nine hundred eighty".