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12883020 = 2235415237
BaseRepresentation
bin110001001001…
…010001001100
3220020112011220
4301021101030
511244224040
61140043340
7214334553
oct61112114
926215156
1012883020
1172aa227
124393550
132890bb7
1419d4d9a
1511e72d0
hexc4944c

12883020 has 48 divisors (see below), whose sum is σ = 36959328. Its totient is φ = 3351040.

The previous prime is 12883001. The next prime is 12883043. The reversal of 12883020 is 2038821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159 + ... + 5078.

It is an arithmetic number, because the mean of its divisors is an integer number (769986).

Almost surely, 212883020 is an apocalyptic number.

12883020 is a gapful number since it is divisible by the number (10) 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 12883020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18479664).

12883020 is an abundant number, since it is smaller than the sum of its proper divisors (24076308).

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

12883020 is a wasteful number, since it uses less digits than its factorization.

12883020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290 (or 5288 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 12883020 is about 3589.2924093754. The cubic root of 12883020 is about 234.4260628298.

The spelling of 12883020 in words is "twelve million, eight hundred eighty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 492 615 820 1230 2460 5237 10474 15711 20948 26185 31422 52370 62844 78555 104740 157110 214717 314220 429434 644151 858868 1073585 1288302 2147170 2576604 3220755 4294340 6441510 12883020