12055000 has 40 divisors (see below), whose sum is σ = 28256580. Its totient is φ = 4820000.

The previous prime is 12054997. The next prime is 12055027. The reversal of 12055000 is 55021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3795 + ... + 6205.

Almost surely, 2^12055000 is an apocalyptic number.

12055000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12055000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14128290).

12055000 is an abundant number, since it is smaller than the sum of its proper divisors (16201580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12055000 is an equidigital number, since it uses as much as digits as its factorization.

12055000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 12055000 is about 3472.0311058514. The cubic root of 12055000 is about 229.2920892869.

The spelling of 12055000 in words is "twelve million, fifty-five thousand".