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12744908 = 2211289657
BaseRepresentation
bin110000100111…
…100011001100
3212222111201122
4300213203030
511230314113
61133100112
7213221111
oct60474314
925874648
1012744908
117215490
124327638
132843087
14199a908
1511bb408
hexc278cc

12744908 has 12 divisors (see below), whose sum is σ = 24331272. Its totient is φ = 5793120.

The previous prime is 12744871. The next prime is 12744929. The reversal of 12744908 is 80944721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144785 + ... + 144872.

It is an arithmetic number, because the mean of its divisors is an integer number (2027606).

Almost surely, 212744908 is an apocalyptic number.

It is an amenable number.

12744908 is a deficient number, since it is larger than the sum of its proper divisors (11586364).

12744908 is a wasteful number, since it uses less digits than its factorization.

12744908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289672 (or 289670 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12744908 is about 3570.0011204480. The cubic root of 12744908 is about 233.5853322794.

The spelling of 12744908 in words is "twelve million, seven hundred forty-four thousand, nine hundred eight".

Divisors: 1 2 4 11 22 44 289657 579314 1158628 3186227 6372454 12744908