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12027406 = 26013703
BaseRepresentation
bin101101111000…
…011000001110
3211122001111111
4231320120032
511034334111
61105442234
7204142216
oct55703016
924561444
1012027406
116875406
12404037a
132651611
141851246
1510c8a21
hexb7860e

12027406 has 4 divisors (see below), whose sum is σ = 18041112. Its totient is φ = 6013702.

The previous prime is 12027377. The next prime is 12027427. The reversal of 12027406 is 60472021.

12027406 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 60472021 = 103587107.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3006850 + ... + 3006853.

It is an arithmetic number, because the mean of its divisors is an integer number (4510278).

Almost surely, 212027406 is an apocalyptic number.

12027406 is a deficient number, since it is larger than the sum of its proper divisors (6013706).

12027406 is an equidigital number, since it uses as much as digits as its factorization.

12027406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6013705.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12027406 is about 3468.0550745339. The cubic root of 12027406 is about 229.1170050993.

Adding to 12027406 its reverse (60472021), we get a palindrome (72499427).

The spelling of 12027406 in words is "twelve million, twenty-seven thousand, four hundred six".

Divisors: 1 2 6013703 12027406