Base | Representation |
---|---|
bin | 110000011011… |
… | …111001111011 |
3 | 212220002022002 |
4 | 300123321323 |
5 | 11222302321 |
6 | 1132051215 |
7 | 212632052 |
oct | 60337173 |
9 | 25802262 |
10 | 12697211 |
11 | 719266a |
12 | 4303b0b |
13 | 2827457 |
14 | 1987399 |
15 | 11ac20b |
hex | c1be7b |
12697211 has 8 divisors (see below), whose sum is σ = 12994704. Its totient is φ = 12402720.
The previous prime is 12697207. The next prime is 12697261. The reversal of 12697211 is 11279621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12697211 - 22 = 12697207 is a prime.
It is a super-2 number, since 2×126972112 = 322438334357042, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12697261) 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, 9305 + ... + 10581.
It is an arithmetic number, because the mean of its divisors is an integer number (1624338).
Almost surely, 212697211 is an apocalyptic number.
12697211 is a deficient number, since it is larger than the sum of its proper divisors (297493).
12697211 is a wasteful number, since it uses less digits than its factorization.
12697211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1501.
The product of its digits is 1512, while the sum is 29.
The square root of 12697211 is about 3563.3146086193. The cubic root of 12697211 is about 233.2935753121.
The spelling of 12697211 in words is "twelve million, six hundred ninety-seven thousand, two hundred eleven".
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