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13144012 = 227469429
BaseRepresentation
bin110010001000…
…111111001100
3220201210012021
4302020333030
511331102022
61145415524
7216502510
oct62107714
926653167
1013144012
117468322
12449a5a4
13295292b
141a62140
1512497c7
hexc88fcc

13144012 has 12 divisors (see below), whose sum is σ = 26288080. Its totient is φ = 5633136.

The previous prime is 13144007. The next prime is 13144049. The reversal of 13144012 is 21044131.

13144012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

13144012 is an admirable number.

It is a super-2 number, since 2×131440122 = 345530102912288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234687 + ... + 234742.

Almost surely, 213144012 is an apocalyptic number.

It is an amenable number.

13144012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13144012 is a wasteful number, since it uses less digits than its factorization.

13144012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469440 (or 469438 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 13144012 is about 3625.4671423142. The cubic root of 13144012 is about 235.9985396826.

Adding to 13144012 its reverse (21044131), we get a palindrome (34188143).

The spelling of 13144012 in words is "thirteen million, one hundred forty-four thousand, twelve".

Divisors: 1 2 4 7 14 28 469429 938858 1877716 3286003 6572006 13144012