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12132708 = 2237433359
BaseRepresentation
bin101110010010…
…000101100100
3211211101221120
4232102011210
511101221313
61112013540
7205061220
oct56220544
924741846
1012132708
116937535
1240912b0
13268a523
14187b780
1510e9d23
hexb92164

12132708 has 48 divisors (see below), whose sum is σ = 33116160. Its totient is φ = 3384864.

The previous prime is 12132689. The next prime is 12132709. The reversal of 12132708 is 80723121.

It is not an unprimeable number, because it can be changed into a prime (12132709) 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, 1933 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (689920).

Almost surely, 212132708 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 12132708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16558080).

12132708 is an abundant number, since it is smaller than the sum of its proper divisors (20983452).

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

12132708 is a wasteful number, since it uses less digits than its factorization.

12132708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416 (or 3414 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 12132708 is about 3483.2036977472. The cubic root of 12132708 is about 229.7837160225.

Adding to 12132708 its reverse (80723121), we get a palindrome (92855829).

The spelling of 12132708 in words is "twelve million, one hundred thirty-two thousand, seven hundred eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 43 84 86 129 172 258 301 516 602 903 1204 1806 3359 3612 6718 10077 13436 20154 23513 40308 47026 70539 94052 141078 144437 282156 288874 433311 577748 866622 1011059 1733244 2022118 3033177 4044236 6066354 12132708