Base | Representation |
---|---|
bin | 110000101000… |
… | …000001001110 |
3 | 212222121100211 |
4 | 300220001032 |
5 | 11230344310 |
6 | 1133113034 |
7 | 213226525 |
oct | 60500116 |
9 | 25877324 |
10 | 12746830 |
11 | 7216978 |
12 | 432877a |
13 | 2843c05 |
14 | 199b4bc |
15 | 11bbc8a |
hex | c2804e |
12746830 has 32 divisors (see below), whose sum is σ = 24162624. Its totient is φ = 4832256.
The previous prime is 12746819. The next prime is 12746837. The reversal of 12746830 is 3864721.
It is a junction number, because it is equal to n+sod(n) for n = 12746792 and 12746801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12746837) 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, 35934 + ... + 36286.
It is an arithmetic number, because the mean of its divisors is an integer number (755082).
Almost surely, 212746830 is an apocalyptic number.
12746830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12746830 is a deficient number, since it is larger than the sum of its proper divisors (11415794).
12746830 is a wasteful number, since it uses less digits than its factorization.
12746830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 540.
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 12746830 is about 3570.2702978906. The cubic root of 12746830 is about 233.5970736599.
The spelling of 12746830 in words is "twelve million, seven hundred forty-six thousand, eight hundred thirty".
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