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12704118 = 2371312309
BaseRepresentation
bin110000011101…
…100101110110
3212220102202220
4300131211312
511223012433
61132143210
7212661150
oct60354566
925812686
1012704118
117197879
124307b06
13282a63b
141989ad0
1511ae2b3
hexc1d976

12704118 has 32 divisors (see below), whose sum is σ = 29272320. Its totient is φ = 3600480.

The previous prime is 12704113. The next prime is 12704129. The reversal of 12704118 is 81140721.

It is a super-2 number, since 2×127041182 = 322789228315848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12704113) 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 15 ways as a sum of consecutive naturals, for example, 4348 + ... + 6656.

It is an arithmetic number, because the mean of its divisors is an integer number (914760).

Almost surely, 212704118 is an apocalyptic number.

12704118 is an abundant number, since it is smaller than the sum of its proper divisors (16568202).

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

12704118 is a wasteful number, since it uses less digits than its factorization.

12704118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 12704118 is about 3564.2836587455. The cubic root of 12704118 is about 233.3358698137.

Adding to 12704118 its reverse (81140721), we get a palindrome (93844839).

The spelling of 12704118 in words is "twelve million, seven hundred four thousand, one hundred eighteen".

Divisors: 1 2 3 6 7 14 21 42 131 262 393 786 917 1834 2309 2751 4618 5502 6927 13854 16163 32326 48489 96978 302479 604958 907437 1814874 2117353 4234706 6352059 12704118