Base | Representation |
---|---|
bin | 110000010001… |
… | …010110111100 |
3 | 212210220001010 |
4 | 300101112330 |
5 | 11214412022 |
6 | 1131115220 |
7 | 212362110 |
oct | 60212674 |
9 | 25726033 |
10 | 12654012 |
11 | 7163168 |
12 | 42a2b10 |
13 | 28108a7 |
14 | 1975740 |
15 | 119e50c |
hex | c115bc |
12654012 has 48 divisors (see below), whose sum is σ = 33958400. Its totient is φ = 3592512.
The previous prime is 12654011. The next prime is 12654067. The reversal of 12654012 is 21045621.
It is a super-2 number, since 2×126540122 = 320248039392288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 12654012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12654011) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 16338 + ... + 17094.
Almost surely, 212654012 is an apocalyptic number.
12654012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12654012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16979200).
12654012 is an abundant number, since it is smaller than the sum of its proper divisors (21304388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12654012 is a wasteful number, since it uses less digits than its factorization.
12654012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 970 (or 968 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 12654012 is about 3557.2478125652. The cubic root of 12654012 is about 233.0287008675.
Adding to 12654012 its reverse (21045621), we get a palindrome (33699633).
The spelling of 12654012 in words is "twelve million, six hundred fifty-four thousand, twelve".
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