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12904327 = 23953993
BaseRepresentation
bin110001001110…
…011110000111
3220021121102001
4301032132013
511300414302
61140330131
7214453642
oct61163607
926247361
1012904327
117314237
1243a3947
13289a7c7
1419dca59
1511ed787
hexc4e787

12904327 has 4 divisors (see below), whose sum is σ = 12958560. Its totient is φ = 12850096.

The previous prime is 12904319. The next prime is 12904337. The reversal of 12904327 is 72340921.

12904327 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12904327 - 23 = 12904319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12904295 and 12904304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12904337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26758 + ... + 27235.

It is an arithmetic number, because the mean of its divisors is an integer number (3239640).

Almost surely, 212904327 is an apocalyptic number.

12904327 is a deficient number, since it is larger than the sum of its proper divisors (54233).

12904327 is an equidigital number, since it uses as much as digits as its factorization.

12904327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54232.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 12904327 is about 3592.2593169202. The cubic root of 12904327 is about 234.5552293601. Note that the first 3 decimals are identical.

It can be divided in two parts, 12904 and 327, that added together give a palindrome (13231).

The spelling of 12904327 in words is "twelve million, nine hundred four thousand, three hundred twenty-seven".

Divisors: 1 239 53993 12904327