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12306132 = 22323111027
BaseRepresentation
bin101110111100…
…011011010100
3212011012211200
4232330123110
511122244012
61115432500
7206412636
oct56743324
925135750
1012306132
116a45863
124155730
13271b447
1418c4a56
1511313dc
hexbbc6d4

12306132 has 36 divisors (see below), whose sum is σ = 32113536. Its totient is φ = 3969360.

The previous prime is 12306061. The next prime is 12306137. The reversal of 12306132 is 23160321.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12306137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4398 + ... + 6629.

Almost surely, 212306132 is an apocalyptic number.

12306132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12306132 is an abundant number, since it is smaller than the sum of its proper divisors (19807404).

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

12306132 is a wasteful number, since it uses less digits than its factorization.

12306132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11068 (or 11063 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 12306132 is about 3508.0096921189. The cubic root of 12306132 is about 230.8733775041.

Adding to 12306132 its reverse (23160321), we get a palindrome (35466453).

The spelling of 12306132 in words is "twelve million, three hundred six thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 11027 22054 33081 44108 66162 99243 132324 198486 341837 396972 683674 1025511 1367348 2051022 3076533 4102044 6153066 12306132