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12386130 = 235894639
BaseRepresentation
bin101111001111…
…111101010010
3212022021120120
4233033331102
511132324010
61121251110
7210165111
oct57177522
925267516
1012386130
116a9a979
124193a96
132748993
141905c78
151149e70
hexbcff52

12386130 has 32 divisors (see below), whose sum is σ = 30067200. Its totient is φ = 3265152.

The previous prime is 12386117. The next prime is 12386131. The reversal of 12386130 is 3168321.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12386130.

It is not an unprimeable number, because it can be changed into a prime (12386131) 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, 351 + ... + 4989.

It is an arithmetic number, because the mean of its divisors is an integer number (939600).

Almost surely, 212386130 is an apocalyptic number.

12386130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12386130 is an abundant number, since it is smaller than the sum of its proper divisors (17681070).

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

12386130 is a wasteful number, since it uses less digits than its factorization.

12386130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12386130 is about 3519.3934136439. The cubic root of 12386130 is about 231.3725739275.

The spelling of 12386130 in words is "twelve million, three hundred eighty-six thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 89 178 267 445 534 890 1335 2670 4639 9278 13917 23195 27834 46390 69585 139170 412871 825742 1238613 2064355 2477226 4128710 6193065 12386130