12980867 has 4 divisors (see below), whose sum is σ = 12994080. Its totient is φ = 12967656.

The previous prime is 12980837. The next prime is 12980873. The reversal of 12980867 is 76808921.

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

It is a cyclic number.

It is not a de Polignac number, because 12980867 - 2¹² = 12976771 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 5003 + ... + 7140.

It is an arithmetic number, because the mean of its divisors is an integer number (3248520).

Almost surely, 2^12980867 is an apocalyptic number.

12980867 is a deficient number, since it is larger than the sum of its proper divisors (13213).

12980867 is a wasteful number, since it uses less digits than its factorization.

12980867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13212.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 12980867 is about 3602.8970287811. The cubic root of 12980867 is about 235.0180580661.

The spelling of 12980867 in words is "twelve million, nine hundred eighty thousand, eight hundred sixty-seven".