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12143196 = 223513312
BaseRepresentation
bin101110010100…
…101001011100
3211211221100000
4232110221130
511102040241
61112134300
7205133622
oct56245134
924757300
1012143196
1169443aa
124097390
132692230
141881512
1510eceb6
hexb94a5c

12143196 has 108 divisors (see below), whose sum is σ = 35422296. Its totient is φ = 3615840.

The previous prime is 12143189. The next prime is 12143221. The reversal of 12143196 is 69134121.

12143196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (108).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 391701 + ... + 391731.

Almost surely, 212143196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12143196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17711148).

12143196 is an abundant number, since it is smaller than the sum of its proper divisors (23279100).

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

12143196 is a wasteful number, since it uses less digits than its factorization.

12143196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 49 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 12143196 is about 3484.7088831063. The cubic root of 12143196 is about 229.8499083769.

The spelling of 12143196 in words is "twelve million, one hundred forty-three thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 31 36 39 52 54 62 78 81 93 108 117 124 156 162 186 234 243 279 324 351 372 403 468 486 558 702 806 837 961 972 1053 1116 1209 1404 1612 1674 1922 2106 2418 2511 2883 3159 3348 3627 3844 4212 4836 5022 5766 6318 7254 7533 8649 10044 10881 11532 12493 12636 14508 15066 17298 21762 24986 25947 30132 32643 34596 37479 43524 49972 51894 65286 74958 77841 97929 103788 112437 130572 149916 155682 195858 224874 233523 311364 337311 391716 449748 467046 674622 934092 1011933 1349244 2023866 3035799 4047732 6071598 12143196