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12704732 = 2221115053
BaseRepresentation
bin110000011101…
…101111011100
3212220110121122
4300131233130
511223022412
61132150112
7212663015
oct60355734
925813548
1012704732
117198287
124308338
13282a9c1
14198a00c
1511ae572
hexc1dbdc

12704732 has 12 divisors (see below), whose sum is σ = 22340136. Its totient is φ = 6321840.

The previous prime is 12704723. The next prime is 12704743. The reversal of 12704732 is 23740721.

It is a super-2 number, since 2×127047322 = 322820430383648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6683 + ... + 8370.

It is an arithmetic number, because the mean of its divisors is an integer number (1861678).

Almost surely, 212704732 is an apocalyptic number.

It is an amenable number.

12704732 is a deficient number, since it is larger than the sum of its proper divisors (9635404).

12704732 is a wasteful number, since it uses less digits than its factorization.

12704732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15268 (or 15266 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 12704732 is about 3564.3697900190. The cubic root of 12704732 is about 233.3396288551.

The spelling of 12704732 in words is "twelve million, seven hundred four thousand, seven hundred thirty-two".

Divisors: 1 2 4 211 422 844 15053 30106 60212 3176183 6352366 12704732