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12808848 = 2431321579
BaseRepresentation
bin110000110111…
…001010010000
3220002202102210
4300313022100
511234340343
61134312120
7213605403
oct60671220
926082383
1012808848
117259528
124358640
132866200
1419b5d3a
1511d0333
hexc37290

12808848 has 60 divisors (see below), whose sum is σ = 35853360. Its totient is φ = 3938688.

The previous prime is 12808847. The next prime is 12808853. The reversal of 12808848 is 84880821.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (12808843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7323 + ... + 8901.

It is an arithmetic number, because the mean of its divisors is an integer number (597556).

Almost surely, 212808848 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 12808848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17926680).

12808848 is an abundant number, since it is smaller than the sum of its proper divisors (23044512).

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

12808848 is a wasteful number, since it uses less digits than its factorization.

12808848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 39.

The square root of 12808848 is about 3578.9450959745. The cubic root of 12808848 is about 233.9753060361.

The spelling of 12808848 in words is "twelve million, eight hundred eight thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 169 208 312 338 507 624 676 1014 1352 1579 2028 2704 3158 4056 4737 6316 8112 9474 12632 18948 20527 25264 37896 41054 61581 75792 82108 123162 164216 246324 266851 328432 492648 533702 800553 985296 1067404 1601106 2134808 3202212 4269616 6404424 12808848