12980016 has 120 divisors (see below), whose sum is σ = 42298880. Its totient is φ = 3639168.

The previous prime is 12979987. The next prime is 12980029. The reversal of 12980016 is 61008921.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79551 + ... + 79713.

Almost surely, 2^12980016 is an apocalyptic number.

12980016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12980016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21149440).

12980016 is an abundant number, since it is smaller than the sum of its proper divisors (29318864).

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

12980016 is a wasteful number, since it uses less digits than its factorization.

12980016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 12980016 is about 3602.7789274392. The cubic root of 12980016 is about 235.0129221806.

Adding to 12980016 its reverse (61008921), we get a palindrome (73988937).

The spelling of 12980016 in words is "twelve million, nine hundred eighty thousand, sixteen".