Base | Representation |
---|---|
bin | 110000011101… |
… | …010101100000 |
3 | 212220101100011 |
4 | 300131111200 |
5 | 11222444242 |
6 | 1132134304 |
7 | 212655124 |
oct | 60352540 |
9 | 25811304 |
10 | 12703072 |
11 | 7197008 |
12 | 4307394 |
13 | 282a015 |
14 | 1989584 |
15 | 11add17 |
hex | c1d560 |
12703072 has 12 divisors (see below), whose sum is σ = 25009236. Its totient is φ = 6351520.
The previous prime is 12703069. The next prime is 12703081. The reversal of 12703072 is 27030721.
It is a super-2 number, since 2×127030722 = 322736076474368, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198454 + ... + 198517.
It is an arithmetic number, because the mean of its divisors is an integer number (2084103).
Almost surely, 212703072 is an apocalyptic number.
It is an amenable number.
12703072 is a deficient number, since it is larger than the sum of its proper divisors (12306164).
12703072 is an equidigital number, since it uses as much as digits as its factorization.
12703072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 396981 (or 396973 counting only the distinct ones).
The product of its (nonzero) digits is 588, while the sum is 22.
The square root of 12703072 is about 3564.1369221734. The cubic root of 12703072 is about 233.3294656955.
Adding to 12703072 its reverse (27030721), we get a palindrome (39733793).
The spelling of 12703072 in words is "twelve million, seven hundred three thousand, seventy-two".
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