Base | Representation |
---|---|
bin | 101110100100… |
… | …010000001011 |
3 | 211222012000101 |
4 | 232210100023 |
5 | 11111111430 |
6 | 1113350231 |
7 | 205521154 |
oct | 56442013 |
9 | 24865011 |
10 | 12207115 |
11 | 6988428 |
12 | 4108377 |
13 | 26b535b |
14 | 189a92b |
15 | 1111dca |
hex | ba440b |
12207115 has 12 divisors (see below), whose sum is σ = 15176304. Its totient is φ = 9425696.
The previous prime is 12207079. The next prime is 12207121. The reversal of 12207115 is 51170221.
12207115 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12207115 - 29 = 12206603 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12207092 and 12207101.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2754 + ... + 5656.
It is an arithmetic number, because the mean of its divisors is an integer number (1264692).
Almost surely, 212207115 is an apocalyptic number.
12207115 is a deficient number, since it is larger than the sum of its proper divisors (2969189).
12207115 is an equidigital number, since it uses as much as digits as its factorization.
12207115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2966 (or 2937 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 19.
The square root of 12207115 is about 3493.8682001472. The cubic root of 12207115 is about 230.2524952347.
Adding to 12207115 its reverse (51170221), we get a palindrome (63377336).
The spelling of 12207115 in words is "twelve million, two hundred seven thousand, one hundred fifteen".
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