12389055 has 16 divisors (see below), whose sum is σ = 22654464. Its totient is φ = 5663520.

The previous prime is 12389033. The next prime is 12389071. The reversal of 12389055 is 55098321.

It is not a de Polignac number, because 12389055 - 2⁵ = 12389023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58891 + ... + 59100.

It is an arithmetic number, because the mean of its divisors is an integer number (1415904).

Almost surely, 2^12389055 is an apocalyptic number.

12389055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12389055 is a deficient number, since it is larger than the sum of its proper divisors (10265409).

12389055 is a wasteful number, since it uses less digits than its factorization.

12389055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118006.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 12389055 is about 3519.8089436786. The cubic root of 12389055 is about 231.3907854676.

The spelling of 12389055 in words is "twelve million, three hundred eighty-nine thousand, fifty-five".