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12826320 = 2435134111
BaseRepresentation
bin110000111011…
…011011010000
3220010122101220
4300323123100
511240420240
61134525040
7214010343
oct60733320
926118356
1012826320
117270671
124366780
132871150
1419bc45a
1511d55d0
hexc3b6d0

12826320 has 80 divisors (see below), whose sum is σ = 42830592. Its totient is φ = 3156480.

The previous prime is 12826301. The next prime is 12826321. The reversal of 12826320 is 2362821.

12826320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12826321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065 + ... + 5175.

Almost surely, 212826320 is an apocalyptic number.

12826320 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 12826320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21415296).

12826320 is an abundant number, since it is smaller than the sum of its proper divisors (30004272).

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

12826320 is a wasteful number, since it uses less digits than its factorization.

12826320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140 (or 4134 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12826320 is about 3581.3852068718. The cubic root of 12826320 is about 234.0816429264.

The spelling of 12826320 in words is "twelve million, eight hundred twenty-six thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 780 1040 1560 3120 4111 8222 12333 16444 20555 24666 32888 41110 49332 53443 61665 65776 82220 98664 106886 123330 160329 164440 197328 213772 246660 267215 320658 328880 427544 493320 534430 641316 801645 855088 986640 1068860 1282632 1603290 2137720 2565264 3206580 4275440 6413160 12826320