Base | Representation |
---|---|
bin | 101110100100… |
… | …001101111100 |
3 | 211222011211002 |
4 | 232210031330 |
5 | 11111110342 |
6 | 1113345432 |
7 | 205520561 |
oct | 56441574 |
9 | 24864732 |
10 | 12206972 |
11 | 6988308 |
12 | 4108278 |
13 | 26b527b |
14 | 189a868 |
15 | 1111d32 |
hex | ba437c |
12206972 has 6 divisors (see below), whose sum is σ = 21362208. Its totient is φ = 6103484.
The previous prime is 12206939. The next prime is 12206989. The reversal of 12206972 is 27960221.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1525868 + ... + 1525875.
It is an arithmetic number, because the mean of its divisors is an integer number (3560368).
Almost surely, 212206972 is an apocalyptic number.
It is an amenable number.
12206972 is a deficient number, since it is larger than the sum of its proper divisors (9155236).
12206972 is a wasteful number, since it uses less digits than its factorization.
12206972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3051747 (or 3051745 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 29.
The square root of 12206972 is about 3493.8477356634. The cubic root of 12206972 is about 230.2515961352.
It can be divided in two parts, 1220 and 6972, that added together give a 13-th power (8192 = 213).
The spelling of 12206972 in words is "twelve million, two hundred six thousand, nine hundred seventy-two".
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