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12696928 = 25619641
BaseRepresentation
bin110000011011…
…110101100000
3212220001220121
4300123311200
511222300203
61132050024
7212631166
oct60336540
925801817
1012696928
117192432
124303914
13282729a
141987236
1511ac0bd
hexc1bd60

12696928 has 24 divisors (see below), whose sum is σ = 25076520. Its totient is φ = 6328320.

The previous prime is 12696923. The next prime is 12696947. The reversal of 12696928 is 82969621.

It is a super-2 number, since 2×126969282 = 322423961274368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12696923) by changing a digit.

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, 19488 + ... + 20128.

It is an arithmetic number, because the mean of its divisors is an integer number (1044855).

Almost surely, 212696928 is an apocalyptic number.

It is an amenable number.

12696928 is a deficient number, since it is larger than the sum of its proper divisors (12379592).

12696928 is an equidigital number, since it uses as much as digits as its factorization.

12696928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 1262 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 12696928 is about 3563.2748981800. The cubic root of 12696928 is about 233.2918420556.

The spelling of 12696928 in words is "twelve million, six hundred ninety-six thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 32 619 641 1238 1282 2476 2564 4952 5128 9904 10256 19808 20512 396779 793558 1587116 3174232 6348464 12696928