Search a number
-
+
12585132 = 2234731179
BaseRepresentation
bin110000000000…
…100010101100
3212200101120000
4300000202230
511210211012
61125424300
7211654230
oct60004254
925611500
1012585132
11711643a
12426b090
1327b8431
1419585c0
151188ddc
hexc008ac

12585132 has 120 divisors (see below), whose sum is σ = 39029760. Its totient is φ = 3460320.

The previous prime is 12585121. The next prime is 12585137. The reversal of 12585132 is 23158521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12585096 and 12585105.

It is not an unprimeable number, because it can be changed into a prime (12585137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70219 + ... + 70397.

It is an arithmetic number, because the mean of its divisors is an integer number (325248).

Almost surely, 212585132 is an apocalyptic number.

12585132 is a gapful number since it is divisible by the number (12) 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 12585132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19514880).

12585132 is an abundant number, since it is smaller than the sum of its proper divisors (26444628).

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

12585132 is a wasteful number, since it uses less digits than its factorization.

12585132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 222 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 12585132 is about 3547.5529594356. The cubic root of 12585132 is about 232.6051137610.

The spelling of 12585132 in words is "twelve million, five hundred eighty-five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 31 36 42 54 62 63 81 84 93 108 124 126 162 179 186 189 217 252 279 324 358 372 378 434 537 558 567 651 716 756 837 868 1074 1116 1134 1253 1302 1611 1674 1953 2148 2268 2506 2511 2604 3222 3348 3759 3906 4833 5012 5022 5549 5859 6444 7518 7812 9666 10044 11098 11277 11718 14499 15036 16647 17577 19332 22196 22554 23436 28998 33294 33831 35154 38843 45108 49941 57996 66588 67662 70308 77686 99882 101493 116529 135324 149823 155372 199764 202986 233058 299646 349587 405972 449469 466116 599292 699174 898938 1048761 1398348 1797876 2097522 3146283 4195044 6292566 12585132