12980691 has 6 divisors (see below), whose sum is σ = 18749900. Its totient is φ = 8653788.

The previous prime is 12980689. The next prime is 12980713. The reversal of 12980691 is 19608921.

It is not a de Polignac number, because 12980691 - 2¹ = 12980689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12981691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 721141 + ... + 721158.

Almost surely, 2^12980691 is an apocalyptic number.

12980691 is a deficient number, since it is larger than the sum of its proper divisors (5769209).

12980691 is a wasteful number, since it uses less digits than its factorization.

12980691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442305 (or 1442302 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 12980691 is about 3602.8726039093. The cubic root of 12980691 is about 235.0169959037.

The spelling of 12980691 in words is "twelve million, nine hundred eighty thousand, six hundred ninety-one".