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12826860 = 2235713011
BaseRepresentation
bin110000111011…
…100011101100
3220010200010220
4300323203230
511240424420
61134531340
7214012044
oct60734354
926120126
1012826860
117271012
124366b50
132871477
1419bc724
1511d5840
hexc3b8ec

12826860 has 48 divisors (see below), whose sum is σ = 36433152. Its totient is φ = 3371200.

The previous prime is 12826859. The next prime is 12826861. The reversal of 12826860 is 6862821.

It is an interprime number because it is at equal distance from previous prime (12826859) and next prime (12826861).

It is not an unprimeable number, because it can be changed into a prime (12826861) 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 15 ways as a sum of consecutive naturals, for example, 2755 + ... + 5765.

It is an arithmetic number, because the mean of its divisors is an integer number (759024).

Almost surely, 212826860 is an apocalyptic number.

12826860 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 12826860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18216576).

12826860 is an abundant number, since it is smaller than the sum of its proper divisors (23606292).

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

12826860 is a wasteful number, since it uses less digits than its factorization.

12826860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094 (or 3092 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 12826860 is about 3581.4605959022. The cubic root of 12826860 is about 234.0849278985.

The spelling of 12826860 in words is "twelve million, eight hundred twenty-six thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 710 852 1065 1420 2130 3011 4260 6022 9033 12044 15055 18066 30110 36132 45165 60220 90330 180660 213781 427562 641343 855124 1068905 1282686 2137810 2565372 3206715 4275620 6413430 12826860