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12852864 = 27333719
BaseRepresentation
bin110001000001…
…111010000000
3220011222211000
4301001322000
511242242424
61135252000
7214150623
oct61017200
926158730
1012852864
117289602
12437a000
13288025b
1419c7dba
1511dd3c9
hexc41e80

12852864 has 64 divisors (see below), whose sum is σ = 37944000. Its totient is φ = 4283136.

The previous prime is 12852863. The next prime is 12852869. The reversal of 12852864 is 46825821.

12852864 is a `hidden beast` number, since 128 + 528 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×128528642 = 330392226004992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (12852863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1597 + ... + 5315.

It is an arithmetic number, because the mean of its divisors is an integer number (592875).

Almost surely, 212852864 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 12852864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18972000).

12852864 is an abundant number, since it is smaller than the sum of its proper divisors (25091136).

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

12852864 is an equidigital number, since it uses as much as digits as its factorization.

12852864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742 (or 3724 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 12852864 is about 3585.0891202312. The cubic root of 12852864 is about 234.2430085612.

The spelling of 12852864 in words is "twelve million, eight hundred fifty-two thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 288 384 432 576 864 1152 1728 3456 3719 7438 11157 14876 22314 29752 33471 44628 59504 66942 89256 100413 119008 133884 178512 200826 238016 267768 357024 401652 476032 535536 714048 803304 1071072 1428096 1606608 2142144 3213216 4284288 6426432 12852864