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12763904 = 2873683
BaseRepresentation
bin110000101100…
…001100000000
3220000110210012
4300230030000
511231421104
61133324052
7213330356
oct60541400
926013705
1012763904
11722878a
124336628
13284b90a
1419a37d6
1511c1d6e
hexc2c300

12763904 has 36 divisors (see below), whose sum is σ = 25864776. Its totient is φ = 6285312.

The previous prime is 12763903. The next prime is 12763967. The reversal of 12763904 is 40936721.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (12763903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18347 + ... + 19029.

It is an arithmetic number, because the mean of its divisors is an integer number (718466).

Almost surely, 212763904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12763904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12932388).

12763904 is an abundant number, since it is smaller than the sum of its proper divisors (13100872).

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

12763904 is an frugal number, since it uses more digits than its factorization.

12763904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 12763904 is about 3572.6606331976. The cubic root of 12763904 is about 233.7013259057.

The spelling of 12763904 in words is "twelve million, seven hundred sixty-three thousand, nine hundred four".

Divisors: 1 2 4 8 16 32 64 73 128 146 256 292 584 683 1168 1366 2336 2732 4672 5464 9344 10928 18688 21856 43712 49859 87424 99718 174848 199436 398872 797744 1595488 3190976 6381952 12763904