Base | Representation |
---|---|
bin | 101101110100… |
… | …111010011010 |
3 | 211121100000201 |
4 | 231310322122 |
5 | 11033410320 |
6 | 1105252414 |
7 | 204052636 |
oct | 55647232 |
9 | 24540021 |
10 | 12013210 |
11 | 6865780 |
12 | 403410a |
13 | 2648011 |
14 | 1849dc6 |
15 | 10c470a |
hex | b74e9a |
12013210 has 16 divisors (see below), whose sum is σ = 23589792. Its totient is φ = 4368400.
The previous prime is 12013207. The next prime is 12013219. The reversal of 12013210 is 1231021.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (12013219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54496 + ... + 54715.
It is an arithmetic number, because the mean of its divisors is an integer number (1474362).
Almost surely, 212013210 is an apocalyptic number.
12013210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12013210 is a deficient number, since it is larger than the sum of its proper divisors (11576582).
12013210 is a wasteful number, since it uses less digits than its factorization.
12013210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109229.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 12013210 is about 3466.0077899509. The cubic root of 12013210 is about 229.0268270091.
Adding to 12013210 its reverse (1231021), we get a palindrome (13244231).
The spelling of 12013210 in words is "twelve million, thirteen thousand, two hundred ten".
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