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12300672 = 273103311
BaseRepresentation
bin101110111011…
…000110000000
3212010221100110
4232323012000
511122110142
61115351320
7206361006
oct56730600
925127313
1012300672
116a4174a
124152540
132718b07
1418c2a76
15112e99c
hexbbb180

12300672 has 64 divisors (see below), whose sum is σ = 33096960. Its totient is φ = 4047360.

The previous prime is 12300671. The next prime is 12300677. The reversal of 12300672 is 27600321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12300671) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 39397 + ... + 39707.

It is an arithmetic number, because the mean of its divisors is an integer number (517140).

Almost surely, 212300672 is an apocalyptic number.

12300672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12300672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16548480).

12300672 is an abundant number, since it is smaller than the sum of its proper divisors (20796288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12300672 is a wasteful number, since it uses less digits than its factorization.

12300672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12300672 is about 3507.2313867209. The cubic root of 12300672 is about 230.8392277236.

Adding to 12300672 its reverse (27600321), we get a palindrome (39900993).

The spelling of 12300672 in words is "twelve million, three hundred thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 103 128 192 206 309 311 384 412 618 622 824 933 1236 1244 1648 1866 2472 2488 3296 3732 4944 4976 6592 7464 9888 9952 13184 14928 19776 19904 29856 32033 39552 39808 59712 64066 96099 119424 128132 192198 256264 384396 512528 768792 1025056 1537584 2050112 3075168 4100224 6150336 12300672