Base | Representation |
---|---|
bin | 101110010000… |
… | …010110111100 |
3 | 211211001020100 |
4 | 232100112330 |
5 | 11101010003 |
6 | 1111521100 |
7 | 205031454 |
oct | 56202674 |
9 | 24731210 |
10 | 12125628 |
11 | 6932189 |
12 | 4089190 |
13 | 2687238 |
14 | 1878d64 |
15 | 10e7ba3 |
hex | b905bc |
12125628 has 18 divisors (see below), whose sum is σ = 30650984. Its totient is φ = 4041864.
The previous prime is 12125609. The next prime is 12125647. The reversal of 12125628 is 82652121.
It is a happy number.
12125628 is a `hidden beast` number, since 12 + 1 + 25 + 628 = 666.
12125628 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12125609) and next prime (12125647).
It is a tau number, because it is divible by the number of its divisors (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168376 + ... + 168447.
Almost surely, 212125628 is an apocalyptic number.
12125628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
12125628 is an abundant number, since it is smaller than the sum of its proper divisors (18525356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12125628 is a wasteful number, since it uses less digits than its factorization.
12125628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 336833 (or 336828 counting only the distinct ones).
The product of its digits is 1920, while the sum is 27.
The square root of 12125628 is about 3482.1872436731. The cubic root of 12125628 is about 229.7390108266.
Adding to 12125628 its reverse (82652121), we get a palindrome (94777749).
The spelling of 12125628 in words is "twelve million, one hundred twenty-five thousand, six hundred twenty-eight".
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