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12825318 = 2311194323
BaseRepresentation
bin110000111011…
…001011100110
3220010121000210
4300323023212
511240402233
61134520250
7214004412
oct60731346
926117023
1012825318
11726a940
124366086
13287085c
1419bbd42
1511d5163
hexc3b2e6

12825318 has 16 divisors (see below), whose sum is σ = 27982656. Its totient is φ = 3886440.

The previous prime is 12825317. The next prime is 12825331. The reversal of 12825318 is 81352821.

It is a super-2 number, since 2×128253182 = 328977563602248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12825317) 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 7 ways as a sum of consecutive naturals, for example, 97096 + ... + 97227.

It is an arithmetic number, because the mean of its divisors is an integer number (1748916).

Almost surely, 212825318 is an apocalyptic number.

12825318 is an abundant number, since it is smaller than the sum of its proper divisors (15157338).

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

12825318 is a wasteful number, since it uses less digits than its factorization.

12825318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194339.

The product of its digits is 3840, while the sum is 30.

The square root of 12825318 is about 3581.2453141331. The cubic root of 12825318 is about 234.0755472337.

It can be divided in two parts, 128253 and 18, that added together give a triangular number (128271 = T506).

The spelling of 12825318 in words is "twelve million, eight hundred twenty-five thousand, three hundred eighteen".

Divisors: 1 2 3 6 11 22 33 66 194323 388646 582969 1165938 2137553 4275106 6412659 12825318