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12618884 = 226175113
BaseRepresentation
bin110000001000…
…110010000100
3212202002212002
4300020302010
511212301014
61130244432
7212154515
oct60106204
925662762
1012618884
117139833
124286718
1327ca8c5
141966a0c
151193dde
hexc08c84

12618884 has 12 divisors (see below), whose sum is σ = 22123164. Its totient is φ = 6297984.

The previous prime is 12618883. The next prime is 12618899. The reversal of 12618884 is 48881621.

It can be written as a sum of positive squares in 2 ways, for example, as 228484 + 12390400 = 478^2 + 3520^2 .

It is not an unprimeable number, because it can be changed into a prime (12618883) 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, 89 + ... + 5024.

It is an arithmetic number, because the mean of its divisors is an integer number (1843597).

Almost surely, 212618884 is an apocalyptic number.

It is an amenable number.

12618884 is a deficient number, since it is larger than the sum of its proper divisors (9504280).

12618884 is a wasteful number, since it uses less digits than its factorization.

12618884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734 (or 5732 counting only the distinct ones).

The product of its digits is 24576, while the sum is 38.

The square root of 12618884 is about 3552.3068561148. The cubic root of 12618884 is about 232.8128689603.

The spelling of 12618884 in words is "twelve million, six hundred eighteen thousand, eight hundred eighty-four".

Divisors: 1 2 4 617 1234 2468 5113 10226 20452 3154721 6309442 12618884