Base | Representation |
---|---|
bin | 110000011011… |
… | …111010100010 |
3 | 212220002100112 |
4 | 300123322202 |
5 | 11222303000 |
6 | 1132051322 |
7 | 212632136 |
oct | 60337242 |
9 | 25802315 |
10 | 12697250 |
11 | 71926a5 |
12 | 4303b42 |
13 | 2827487 |
14 | 19873c6 |
15 | 11ac235 |
hex | c1bea2 |
12697250 has 16 divisors (see below), whose sum is σ = 23769720. Its totient is φ = 5078800.
The previous prime is 12697207. The next prime is 12697261. The reversal of 12697250 is 5279621.
12697250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 994009 + 11703241 = 997^2 + 3421^2 .
It is a super-2 number, since 2×126972502 = 322440315125000, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25145 + ... + 25644.
Almost surely, 212697250 is an apocalyptic number.
12697250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12697250 is a deficient number, since it is larger than the sum of its proper divisors (11072470).
12697250 is an equidigital number, since it uses as much as digits as its factorization.
12697250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50806 (or 50796 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 32.
The square root of 12697250 is about 3563.3200810480. The cubic root of 12697250 is about 233.2938141688.
The spelling of 12697250 in words is "twelve million, six hundred ninety-seven thousand, two hundred fifty".
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