12880855 has 16 divisors (see below), whose sum is σ = 16964640. Its totient is φ = 9330048.

The previous prime is 12880831. The next prime is 12880859. The reversal of 12880855 is 55808821.

It is not a de Polignac number, because 12880855 - 2⁵ = 12880823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12880859) 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, 1576 + ... + 5314.

It is an arithmetic number, because the mean of its divisors is an integer number (1060290).

Almost surely, 2^12880855 is an apocalyptic number.

12880855 is a deficient number, since it is larger than the sum of its proper divisors (4083785).

12880855 is a wasteful number, since it uses less digits than its factorization.

12880855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810.

The product of its (nonzero) digits is 25600, while the sum is 37.

The square root of 12880855 is about 3588.9908052264. The cubic root of 12880855 is about 234.4129302760.

The spelling of 12880855 in words is "twelve million, eight hundred eighty thousand, eight hundred fifty-five".