12980887 has 8 divisors (see below), whose sum is σ = 13400352. Its totient is φ = 12566400.

The previous prime is 12980879. The next prime is 12980899. The reversal of 12980887 is 78808921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12980887 - 2³ = 12980879 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 (12980837) 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 7 ways as a sum of consecutive naturals, for example, 4462 + ... + 6772.

It is an arithmetic number, because the mean of its divisors is an integer number (1675044).

Almost surely, 2^12980887 is an apocalyptic number.

12980887 is a deficient number, since it is larger than the sum of its proper divisors (419465).

12980887 is a wasteful number, since it uses less digits than its factorization.

12980887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489.

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 12980887 is about 3602.8998043243. The cubic root of 12980887 is about 235.0181787657.

The spelling of 12980887 in words is "twelve million, nine hundred eighty thousand, eight hundred eighty-seven".