12980767 has 4 divisors (see below), whose sum is σ = 13200840. Its totient is φ = 12760696.

The previous prime is 12980753. The next prime is 12980783. The reversal of 12980767 is 76708921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76708921 = 79 ⋅970999.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12980767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12980467) 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 3 ways as a sum of consecutive naturals, for example, 109948 + ... + 110065.

It is an arithmetic number, because the mean of its divisors is an integer number (3300210).

Almost surely, 2^12980767 is an apocalyptic number.

12980767 is a deficient number, since it is larger than the sum of its proper divisors (220073).

12980767 is an equidigital number, since it uses as much as digits as its factorization.

12980767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220072.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 12980767 is about 3602.8831510333. The cubic root of 12980767 is about 235.0174545659.

The spelling of 12980767 in words is "twelve million, nine hundred eighty thousand, seven hundred sixty-seven".