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12626728 = 237919979
BaseRepresentation
bin110000001010…
…101100101000
3212202111121121
4300022230220
511213023403
61130345024
7212216422
oct60125450
925674547
1012626728
117144714
12428b174
13280134a
141969812
1511963bd
hexc0ab28

12626728 has 16 divisors (see below), whose sum is σ = 23976000. Its totient is φ = 6233136.

The previous prime is 12626693. The next prime is 12626743. The reversal of 12626728 is 82762621.

It is a junction number, because it is equal to n+sod(n) for n = 12626693 and 12626702.

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, 9358 + ... + 10621.

It is an arithmetic number, because the mean of its divisors is an integer number (1498500).

Almost surely, 212626728 is an apocalyptic number.

It is an amenable number.

12626728 is a deficient number, since it is larger than the sum of its proper divisors (11349272).

12626728 is a wasteful number, since it uses less digits than its factorization.

12626728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20064 (or 20060 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 12626728 is about 3553.4107558795. The cubic root of 12626728 is about 232.8610984203.

The spelling of 12626728 in words is "twelve million, six hundred twenty-six thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 79 158 316 632 19979 39958 79916 159832 1578341 3156682 6313364 12626728