Base | Representation |
---|---|
bin | 101110101111… |
… | …000010000101 |
3 | 212001102120201 |
4 | 232233002011 |
5 | 11114020034 |
6 | 1114330501 |
7 | 206063662 |
oct | 56570205 |
9 | 25042521 |
10 | 12251269 |
11 | 6a08618 |
12 | 4129a31 |
13 | 26cc494 |
14 | 18aca69 |
15 | 1120014 |
hex | baf085 |
12251269 has 2 divisors, whose sum is σ = 12251270. Its totient is φ = 12251268.
The previous prime is 12251207. The next prime is 12251299. The reversal of 12251269 is 96215221.
12251269 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8191044 + 4060225 = 2862^2 + 2015^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12251269 is a prime.
It is a super-2 number, since 2×122512692 = 300187184220722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12251299) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6125634 + 6125635.
It is an arithmetic number, because the mean of its divisors is an integer number (6125635).
Almost surely, 212251269 is an apocalyptic number.
It is an amenable number.
12251269 is a deficient number, since it is larger than the sum of its proper divisors (1).
12251269 is an equidigital number, since it uses as much as digits as its factorization.
12251269 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2160, while the sum is 28.
The square root of 12251269 is about 3500.1812810196. The cubic root of 12251269 is about 230.5297743875.
The spelling of 12251269 in words is "twelve million, two hundred fifty-one thousand, two hundred sixty-nine".
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