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12078060 = 2235474283
BaseRepresentation
bin101110000100…
…101111101100
3211201121222120
4232010233230
511042444220
61110512540
7204443001
oct56045754
924647876
1012078060
1168aa475
124065750
13266b6a7
1418658a8
1510d8a40
hexb84bec

12078060 has 48 divisors (see below), whose sum is σ = 34546176. Its totient is φ = 3151552.

The previous prime is 12078049. The next prime is 12078097. The reversal of 12078060 is 6087021.

It is a self number, because there is not a number n which added to its sum of digits gives 12078060.

It is an unprimeable number.

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, 679 + ... + 4961.

It is an arithmetic number, because the mean of its divisors is an integer number (719712).

Almost surely, 212078060 is an apocalyptic number.

12078060 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 12078060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17273088).

12078060 is an abundant number, since it is smaller than the sum of its proper divisors (22468116).

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

12078060 is a wasteful number, since it uses less digits than its factorization.

12078060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342 (or 4340 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 12078060 is about 3475.3503420519. The cubic root of 12078060 is about 229.4382003802.

The spelling of 12078060 in words is "twelve million, seventy-eight thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 4283 8566 12849 17132 21415 25698 42830 51396 64245 85660 128490 201301 256980 402602 603903 805204 1006505 1207806 2013010 2415612 3019515 4026020 6039030 12078060