12880847 has 16 divisors (see below), whose sum is σ = 15500352. Its totient is φ = 10471680.

The previous prime is 12880831. The next prime is 12880859. The reversal of 12880847 is 74808821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12880847 - 2⁴ = 12880831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12880847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12880247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10013 + ... + 11225.

It is an arithmetic number, because the mean of its divisors is an integer number (968772).

Almost surely, 2^12880847 is an apocalyptic number.

12880847 is a deficient number, since it is larger than the sum of its proper divisors (2619505).

12880847 is a wasteful number, since it uses less digits than its factorization.

12880847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298.

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 12880847 is about 3588.9896907068. The cubic root of 12880847 is about 234.4128817465.

The spelling of 12880847 in words is "twelve million, eight hundred eighty thousand, eight hundred forty-seven".