Search a number
12027101 = 31387971
BaseRepresentation
bin101101111000…
…010011011101
3211122001002012
4231320103131
511034331401
61105441005
7204141302
oct55702335
924561065
1012027101
116875159
124040165
132651438
1418510a9
1510c88bb
hexb784dd

12027101 has 4 divisors (see below), whose sum is σ = 12415104. Its totient is φ = 11639100.

The previous prime is 12027089. The next prime is 12027139. The reversal of 12027101 is 10172021.

12027101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12027101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12027151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193955 + ... + 194016.

It is an arithmetic number, because the mean of its divisors is an integer number (3103776).

Almost surely, 212027101 is an apocalyptic number.

It is an amenable number.

12027101 is a deficient number, since it is larger than the sum of its proper divisors (388003).

12027101 is an equidigital number, since it uses as much as digits as its factorization.

12027101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388002.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 12027101 is about 3468.0111014817. The cubic root of 12027101 is about 229.1150683759.

Adding to 12027101 its reverse (10172021), we get a palindrome (22199122).

The spelling of 12027101 in words is "twelve million, twenty-seven thousand, one hundred one".

Divisors: 1 31 387971 12027101