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12808608 = 253235801
BaseRepresentation
bin110000110111…
…000110100000
3220002202002220
4300313012200
511234333413
61134311040
7213604611
oct60670640
926082086
1012808608
11725932a
124358480
132866077
1419b5c08
1511d0223
hexc371a0

12808608 has 48 divisors (see below), whose sum is σ = 35090496. Its totient is φ = 4083200.

The previous prime is 12808589. The next prime is 12808619. The reversal of 12808608 is 80680821.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693 + ... + 5108.

It is an arithmetic number, because the mean of its divisors is an integer number (731052).

Almost surely, 212808608 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 12808608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17545248).

12808608 is an abundant number, since it is smaller than the sum of its proper divisors (22281888).

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

12808608 is a wasteful number, since it uses less digits than its factorization.

12808608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837 (or 5829 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 12808608 is about 3578.9115663844. The cubic root of 12808608 is about 233.9738446915.

The spelling of 12808608 in words is "twelve million, eight hundred eight thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 69 92 96 138 184 276 368 552 736 1104 2208 5801 11602 17403 23204 34806 46408 69612 92816 133423 139224 185632 266846 278448 400269 533692 556896 800538 1067384 1601076 2134768 3202152 4269536 6404304 12808608