12980285 has 4 divisors (see below), whose sum is σ = 15576348. Its totient is φ = 10384224.

The previous prime is 12980273. The next prime is 12980309. The reversal of 12980285 is 58208921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8826841 + 4153444 = 2971^2 + 2038^2 .

It is a cyclic number.

It is not a de Polignac number, because 12980285 - 2⁴ = 12980269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298024 + ... + 1298033.

It is an arithmetic number, because the mean of its divisors is an integer number (3894087).

Almost surely, 2^12980285 is an apocalyptic number.

It is an amenable number.

12980285 is a deficient number, since it is larger than the sum of its proper divisors (2596063).

12980285 is an equidigital number, since it uses as much as digits as its factorization.

12980285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596062.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 12980285 is about 3602.8162595392. The cubic root of 12980285 is about 235.0145456516.

The spelling of 12980285 in words is "twelve million, nine hundred eighty thousand, two hundred eighty-five".