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12864382 = 237263661
BaseRepresentation
bin110001000100…
…101101111110
3220012120121121
4301010231332
511243130012
61135421154
7214226326
oct61045576
926176547
1012864382
117297223
1243847ba
13288557b
1419cc286
1511e1a07
hexc44b7e

12864382 has 16 divisors (see below), whose sum is σ = 19923552. Its totient is φ = 6225120.

The previous prime is 12864373. The next prime is 12864389. The reversal of 12864382 is 28346821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12864389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19132 + ... + 19792.

It is an arithmetic number, because the mean of its divisors is an integer number (1245222).

Almost surely, 212864382 is an apocalyptic number.

12864382 is a deficient number, since it is larger than the sum of its proper divisors (7059170).

12864382 is a wasteful number, since it uses less digits than its factorization.

12864382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963.

The product of its digits is 18432, while the sum is 34.

The square root of 12864382 is about 3586.6951361943. The cubic root of 12864382 is about 234.3129593893.

The spelling of 12864382 in words is "twelve million, eight hundred sixty-four thousand, three hundred eighty-two".

Divisors: 1 2 37 74 263 526 661 1322 9731 19462 24457 48914 173843 347686 6432191 12864382