Base | Representation |
---|---|
bin | 110000001011… |
… | …100110010111 |
3 | 212202200200110 |
4 | 300023212113 |
5 | 11213133143 |
6 | 1130414103 |
7 | 212233251 |
oct | 60134627 |
9 | 25680613 |
10 | 12630423 |
11 | 7147473 |
12 | 4291333 |
13 | 2802c30 |
14 | 196acd1 |
15 | 1197533 |
hex | c0b997 |
12630423 has 24 divisors (see below), whose sum is σ = 18795504. Its totient is φ = 7499520.
The previous prime is 12630407. The next prime is 12630461. The reversal of 12630423 is 32403621.
It is a happy number.
12630423 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 not a de Polignac number, because 12630423 - 24 = 12630407 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12630423.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12630463) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37311 + ... + 37647.
It is an arithmetic number, because the mean of its divisors is an integer number (783146).
Almost surely, 212630423 is an apocalyptic number.
12630423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
12630423 is a deficient number, since it is larger than the sum of its proper divisors (6165081).
12630423 is a wasteful number, since it uses less digits than its factorization.
12630423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 415 (or 384 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 12630423 is about 3553.9306408539. The cubic root of 12630423 is about 232.8838105022.
The spelling of 12630423 in words is "twelve million, six hundred thirty thousand, four hundred twenty-three".
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