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12928896 = 27342943
BaseRepresentation
bin110001010100…
…011110000000
3220022212010000
4301110132000
511302211041
61141040000
7214615401
oct61243600
926285100
1012928896
117330742
1243b6000
1328a8a46
141a079a8
151205bb6
hexc54780

12928896 has 160 divisors (see below), whose sum is σ = 40728600. Its totient is φ = 4064256.

The previous prime is 12928849. The next prime is 12928897. The reversal of 12928896 is 69882921.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12928897) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 300651 + ... + 300693.

Almost surely, 212928896 is an apocalyptic number.

12928896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12928896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20364300).

12928896 is an abundant number, since it is smaller than the sum of its proper divisors (27799704).

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

12928896 is an equidigital number, since it uses as much as digits as its factorization.

12928896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 77 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 12928896 is about 3595.6774048849. The cubic root of 12928896 is about 234.7039942917.

It can be divided in two parts, 12928 and 896, that added together give a cube (13824 = 243).

The spelling of 12928896 in words is "twelve million, nine hundred twenty-eight thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 43 48 54 58 64 72 81 86 87 96 108 116 128 129 144 162 172 174 192 216 232 258 261 288 324 344 348 384 387 432 464 516 522 576 648 688 696 774 783 864 928 1032 1044 1152 1161 1247 1296 1376 1392 1548 1566 1728 1856 2064 2088 2322 2349 2494 2592 2752 2784 3096 3132 3456 3483 3712 3741 4128 4176 4644 4698 4988 5184 5504 5568 6192 6264 6966 7482 8256 8352 9288 9396 9976 10368 11136 11223 12384 12528 13932 14964 16512 16704 18576 18792 19952 22446 24768 25056 27864 29928 33408 33669 37152 37584 39904 44892 49536 50112 55728 59856 67338 74304 75168 79808 89784 100224 101007 111456 119712 134676 148608 150336 159616 179568 202014 222912 239424 269352 300672 359136 404028 445824 478848 538704 718272 808056 1077408 1436544 1616112 2154816 3232224 4309632 6464448 12928896