Base | Representation |
---|---|
bin | 101111111000… |
… | …101000000001 |
3 | 212121202002000 |
4 | 233320220001 |
5 | 11203141310 |
6 | 1125014213 |
7 | 211460544 |
oct | 57705001 |
9 | 25552060 |
10 | 12552705 |
11 | 70a4040 |
12 | 4254369 |
13 | 27a6749 |
14 | 194a85b |
15 | 117e4c0 |
hex | bf8a01 |
12552705 has 64 divisors (see below), whose sum is σ = 24883200. Its totient is φ = 5952960.
The previous prime is 12552697. The next prime is 12552719. The reversal of 12552705 is 50725521.
It is a happy number.
It is not a de Polignac number, because 12552705 - 23 = 12552697 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117262 + ... + 117368.
It is an arithmetic number, because the mean of its divisors is an integer number (388800).
Almost surely, 212552705 is an apocalyptic number.
12552705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12552705 is a deficient number, since it is larger than the sum of its proper divisors (12330495).
12552705 is a wasteful number, since it uses less digits than its factorization.
12552705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 211 (or 205 counting only the distinct ones).
The product of its (nonzero) digits is 3500, while the sum is 27.
The square root of 12552705 is about 3542.9796781805. The cubic root of 12552705 is about 232.4051642358.
The spelling of 12552705 in words is "twelve million, five hundred fifty-two thousand, seven hundred five".
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