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12826161 = 33372347
BaseRepresentation
bin110000111011…
…011000110001
3220010122012000
4300323120301
511240414121
61134524213
7214010025
oct60733061
926118160
1012826161
117270537
124366669
13287105a
1419bc385
1511d5526
hexc3b631

12826161 has 24 divisors (see below), whose sum is σ = 19585440. Its totient is φ = 8295696.

The previous prime is 12826141. The next prime is 12826171. The reversal of 12826161 is 16162821.

12826161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12826161 - 26 = 12826097 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12826141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36790 + ... + 37136.

It is an arithmetic number, because the mean of its divisors is an integer number (816060).

Almost surely, 212826161 is an apocalyptic number.

It is an amenable number.

12826161 is a deficient number, since it is larger than the sum of its proper divisors (6759279).

12826161 is an equidigital number, since it uses as much as digits as its factorization.

12826161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 387 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 12826161 is about 3581.3630086882. The cubic root of 12826161 is about 234.0806756670.

Adding to 12826161 its reverse (16162821), we get a palindrome (28988982).

The spelling of 12826161 in words is "twelve million, eight hundred twenty-six thousand, one hundred sixty-one".

Divisors: 1 3 9 27 37 111 333 347 999 1041 1369 3123 4107 9369 12321 12839 36963 38517 115551 346653 475043 1425129 4275387 12826161