12889055 has 8 divisors (see below), whose sum is σ = 15505344. Its totient is φ = 10285600.

The previous prime is 12889033. The next prime is 12889073. The reversal of 12889055 is 55098821.

12889055 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12889055 - 2¹² = 12884959 is a prime.

It is a super-2 number, since 2×12889055² = 332255477586050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (1938168).

Almost surely, 2^12889055 is an apocalyptic number.

12889055 is a deficient number, since it is larger than the sum of its proper divisors (2616289).

12889055 is an equidigital number, since it uses as much as digits as its factorization.

12889055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 12889055 is about 3590.1330058927. The cubic root of 12889055 is about 234.4626624375.

The spelling of 12889055 in words is "twelve million, eight hundred eighty-nine thousand, fifty-five".