Base | Representation |
---|---|
bin | 101101111001… |
… | …100000001101 |
3 | 211122021211010 |
4 | 231321200031 |
5 | 11040011023 |
6 | 1105515433 |
7 | 204161520 |
oct | 55714015 |
9 | 24567733 |
10 | 12032013 |
11 | 6878914 |
12 | 4042b79 |
13 | 2653746 |
14 | 1852bb7 |
15 | 10ca093 |
hex | b7980d |
12032013 has 32 divisors (see below), whose sum is σ = 19814400. Its totient is φ = 6342336.
The previous prime is 12032011. The next prime is 12032057. The reversal of 12032013 is 31023021.
It is a happy number.
12032013 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12032013 - 21 = 12032011 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12032013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12032011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13578 + ... + 14436.
It is an arithmetic number, because the mean of its divisors is an integer number (619200).
Almost surely, 212032013 is an apocalyptic number.
It is an amenable number.
12032013 is a deficient number, since it is larger than the sum of its proper divisors (7782387).
12032013 is a wasteful number, since it uses less digits than its factorization.
12032013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 921.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 12032013 is about 3468.7192160796. The cubic root of 12032013 is about 229.1462551664.
Adding to 12032013 its reverse (31023021), we get a palindrome (43055034).
The spelling of 12032013 in words is "twelve million, thirty-two thousand, thirteen".
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