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12643014 = 232972661
BaseRepresentation
bin110000001110…
…101011000110
3212210022221210
4300032223012
511214034024
61130552250
7212315046
oct60165306
925708853
1012643014
11715597a
124298686
132808897
141971726
15119b129
hexc0eac6

12643014 has 16 divisors (see below), whose sum is σ = 26158320. Its totient is φ = 4068960.

The previous prime is 12643003. The next prime is 12643021. The reversal of 12643014 is 41034621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36157 + ... + 36504.

It is an arithmetic number, because the mean of its divisors is an integer number (1634895).

Almost surely, 212643014 is an apocalyptic number.

12643014 is an abundant number, since it is smaller than the sum of its proper divisors (13515306).

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

12643014 is a wasteful number, since it uses less digits than its factorization.

12643014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72695.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12643014 is about 3555.7016185276. The cubic root of 12643014 is about 232.9611704406.

Adding to 12643014 its reverse (41034621), we get a palindrome (53677635).

It can be divided in two parts, 1264 and 3014, that added together give a triangular number (4278 = T92).

The spelling of 12643014 in words is "twelve million, six hundred forty-three thousand, fourteen".

Divisors: 1 2 3 6 29 58 87 174 72661 145322 217983 435966 2107169 4214338 6321507 12643014