Base | Representation |
---|---|
bin | 101111101101… |
… | …011101001100 |
3 | 212112102022121 |
4 | 233231131030 |
5 | 11200210311 |
6 | 1124022324 |
7 | 211210300 |
oct | 57553514 |
9 | 25472277 |
10 | 12506956 |
11 | 7072730 |
12 | 42319a4 |
13 | 278b987 |
14 | 1937d00 |
15 | 1170b71 |
hex | bed74c |
12506956 has 36 divisors (see below), whose sum is σ = 27779976. Its totient is φ = 4872000.
The previous prime is 12506947. The next prime is 12506969. The reversal of 12506956 is 65960521.
It is a happy number.
It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 745 + ... + 5056.
It is an arithmetic number, because the mean of its divisors is an integer number (771666).
Almost surely, 212506956 is an apocalyptic number.
It is an amenable number.
12506956 is an abundant number, since it is smaller than the sum of its proper divisors (15273020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12506956 is a wasteful number, since it uses less digits than its factorization.
12506956 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5830 (or 5821 counting only the distinct ones).
The product of its (nonzero) digits is 16200, while the sum is 34.
The square root of 12506956 is about 3536.5174960687. The cubic root of 12506956 is about 232.1224828870.
The spelling of 12506956 in words is "twelve million, five hundred six thousand, nine hundred fifty-six".
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