12980835 has 72 divisors (see below), whose sum is σ = 27175200. Its totient is φ = 5729472.

The previous prime is 12980783. The next prime is 12980837. The reversal of 12980835 is 53808921.

It is not a de Polignac number, because 12980835 - 2¹⁷ = 12849763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12980835.

It is not an unprimeable number, because it can be changed into a prime (12980837) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 447601 + ... + 447629.

Almost surely, 2^12980835 is an apocalyptic number.

12980835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12980835 is an abundant number, since it is smaller than the sum of its proper divisors (14194365).

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

12980835 is an equidigital number, since it uses as much as digits as its factorization.

12980835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 12980835 is about 3602.8925879077. The cubic root of 12980835 is about 235.0178649464.

The spelling of 12980835 in words is "twelve million, nine hundred eighty thousand, eight hundred thirty-five".