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12733808 = 243125673
BaseRepresentation
bin110000100100…
…110101110000
3212221221111112
4300210311300
511224440213
61132532452
7213143543
oct60446560
925857445
1012733808
11720810a
124321128
13283acc9
14199685a
1511b7ea8
hexc24d70

12733808 has 20 divisors (see below), whose sum is σ = 25468608. Its totient is φ = 6161280.

The previous prime is 12733807. The next prime is 12733823. The reversal of 12733808 is 80833721.

12733808 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12733801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12341 + ... + 13332.

Almost surely, 212733808 is an apocalyptic number.

It is an amenable number.

12733808 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12733808 is a wasteful number, since it uses less digits than its factorization.

12733808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25712 (or 25706 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 12733808 is about 3568.4461604457. The cubic root of 12733808 is about 233.5174999532.

The spelling of 12733808 in words is "twelve million, seven hundred thirty-three thousand, eight hundred eight".

Divisors: 1 2 4 8 16 31 62 124 248 496 25673 51346 102692 205384 410768 795863 1591726 3183452 6366904 12733808