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12612808 = 2313219491
BaseRepresentation
bin110000000111…
…010011001000
3212201210112001
4300013103020
511212102213
61130200344
7212131015
oct60072310
925653461
1012612808
11713520a
1242830b4
1327c7c00
14196470c
1511921dd
hexc074c8

12612808 has 48 divisors (see below), whose sum is σ = 27010800. Its totient is φ = 5503680.

The previous prime is 12612797. The next prime is 12612829. The reversal of 12612808 is 80821621.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25443 + ... + 25933.

It is an arithmetic number, because the mean of its divisors is an integer number (562725).

Almost surely, 212612808 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 12612808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13505400).

12612808 is an abundant number, since it is smaller than the sum of its proper divisors (14397992).

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

12612808 is a wasteful number, since it uses less digits than its factorization.

12612808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 12612808 is about 3551.4515342322. The cubic root of 12612808 is about 232.7754964506.

The spelling of 12612808 in words is "twelve million, six hundred twelve thousand, eight hundred eight".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 169 247 338 491 494 676 982 988 1352 1964 1976 3211 3928 6383 6422 9329 12766 12844 18658 25532 25688 37316 51064 74632 82979 121277 165958 242554 331916 485108 663832 970216 1576601 3153202 6306404 12612808