Base | Representation |
---|---|
bin | 101110111101… |
… | …000011001101 |
3 | 212011100100020 |
4 | 232331003031 |
5 | 11122334220 |
6 | 1115452353 |
7 | 206423244 |
oct | 56750315 |
9 | 25140306 |
10 | 12308685 |
11 | 6a47774 |
12 | 41570b9 |
13 | 271c65c |
14 | 18c595b |
15 | 1132040 |
hex | bbd0cd |
12308685 has 16 divisors (see below), whose sum is σ = 19792320. Its totient is φ = 6531840.
The previous prime is 12308683. The next prime is 12308687. The reversal of 12308685 is 58680321.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (12308683) and next prime (12308687).
It is not a de Polignac number, because 12308685 - 21 = 12308683 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12308683) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221 + ... + 5109.
It is an arithmetic number, because the mean of its divisors is an integer number (1237020).
Almost surely, 212308685 is an apocalyptic number.
12308685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12308685 is a deficient number, since it is larger than the sum of its proper divisors (7483635).
12308685 is a wasteful number, since it uses less digits than its factorization.
12308685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4108.
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 12308685 is about 3508.3735547972. The cubic root of 12308685 is about 230.8893418753.
The spelling of 12308685 in words is "twelve million, three hundred eight thousand, six hundred eighty-five".
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