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12021114 = 237793623
BaseRepresentation
bin101101110110…
…110101111010
3211121201212110
4231312311322
511034133424
61105353150
7204114660
oct55666572
924551773
1012021114
116870706
1240387b6
13264b7b1
14184cc30
1510c6c29
hexb76d7a

12021114 has 32 divisors (see below), whose sum is σ = 27832320. Its totient is φ = 3390192.

The previous prime is 12021071. The next prime is 12021131. The reversal of 12021114 is 41112021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12021114.

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, 1507 + ... + 5129.

It is an arithmetic number, because the mean of its divisors is an integer number (869760).

Almost surely, 212021114 is an apocalyptic number.

12021114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12021114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13916160).

12021114 is an abundant number, since it is smaller than the sum of its proper divisors (15811206).

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

12021114 is a wasteful number, since it uses less digits than its factorization.

12021114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 12021114 is about 3467.1478191736. The cubic root of 12021114 is about 229.0770448159.

Adding to 12021114 its reverse (41112021), we get a palindrome (53133135).

The spelling of 12021114 in words is "twelve million, twenty-one thousand, one hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 79 158 237 474 553 1106 1659 3318 3623 7246 10869 21738 25361 50722 76083 152166 286217 572434 858651 1717302 2003519 4007038 6010557 12021114