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BaseRepresentation
bin101110111010…
…111011100000
3212010220102120
4232322323200
511122100000
61115344240
7206356026
oct56727340
925126376
1012300000
116a41199
124152080
13271870b
1418c2716
15112e6a0
hexbbaee0

12300000 has 144 divisors (see below), whose sum is σ = 41341104. Its totient is φ = 3200000.

The previous prime is 12299977. The next prime is 12300017. The reversal of 12300000 is 321.

Adding to 12300000 its reverse (321), we get a palindrome (12300321).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299980 + ... + 300020.

It is an arithmetic number, because the mean of its divisors is an integer number (287091).

Almost surely, 212300000 is an apocalyptic number.

12300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12300000 is the 1875-th nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20670552).

12300000 is an abundant number, since it is smaller than the sum of its proper divisors (29041104).

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

12300000 is an frugal number, since it uses more digits than its factorization.

12300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 12300000 is about 3507.1355833500. The cubic root of 12300000 is about 230.8350239754.

The spelling of 12300000 in words is "twelve million, three hundred thousand".