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12941328 = 243535087
BaseRepresentation
bin110001010111…
…100000010000
3220100111011110
4301113200100
511303110303
61141213320
7214666551
oct61274020
926314143
1012941328
11733a014
124401240
1328b15ba
141a0c328
151209703
hexc57810

12941328 has 40 divisors (see below), whose sum is σ = 34069248. Its totient is φ = 4231552.

The previous prime is 12941311. The next prime is 12941339. The reversal of 12941328 is 82314921.

12941328 is a nontrivial binomial coefficient, being equal to C(5088, 2).

It is a junction number, because it is equal to n+sod(n) for n = 12941295 and 12941304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 5087.

Almost surely, 212941328 is an apocalyptic number.

12941328 is the 5087-th triangular number and also the 2544-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12941328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17034624).

12941328 is an abundant number, since it is smaller than the sum of its proper divisors (21127920).

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

12941328 is a wasteful number, since it uses less digits than its factorization.

12941328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151 (or 5145 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 12941328 is about 3597.4057319129. The cubic root of 12941328 is about 234.7791980658.

The spelling of 12941328 in words is "twelve million, nine hundred forty-one thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 53 106 159 212 318 424 636 848 1272 2544 5087 10174 15261 20348 30522 40696 61044 81392 122088 244176 269611 539222 808833 1078444 1617666 2156888 3235332 4313776 6470664 12941328