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12623872 = 2132367
BaseRepresentation
bin110000001010…
…000000000000
3212202100200211
4300022000000
511212430442
61130323504
7212205202
oct60120000
925670624
1012623872
117142558
124289594
1327ccc61
141968772
151195617
hexc0a000

12623872 has 56 divisors (see below), whose sum is σ = 26737056. Its totient is φ = 5947392.

The previous prime is 12623869. The next prime is 12623873. The reversal of 12623872 is 27832621.

It is not an unprimeable number, because it can be changed into a prime (12623873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188383 + ... + 188449.

Almost surely, 212623872 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 12623872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13368528).

12623872 is an abundant number, since it is smaller than the sum of its proper divisors (14113184).

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

12623872 is an frugal number, since it uses more digits than its factorization.

12623872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 92 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 12623872 is about 3553.0088657362. The cubic root of 12623872 is about 232.8435403893.

The spelling of 12623872 in words is "twelve million, six hundred twenty-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 23 32 46 64 67 92 128 134 184 256 268 368 512 536 736 1024 1072 1472 1541 2048 2144 2944 3082 4096 4288 5888 6164 8192 8576 11776 12328 17152 23552 24656 34304 47104 49312 68608 94208 98624 137216 188416 197248 274432 394496 548864 788992 1577984 3155968 6311936 12623872