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12704162 = 26352081
BaseRepresentation
bin110000011101…
…100110100010
3212220102211112
4300131212202
511223013122
61132143322
7212661242
oct60354642
925812745
1012704162
117197909
124307b42
13282a673
141989b22
1511ae2e2
hexc1d9a2

12704162 has 4 divisors (see below), whose sum is σ = 19056246. Its totient is φ = 6352080.

The previous prime is 12704161. The next prime is 12704171. The reversal of 12704162 is 26140721.

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

It can be written as a sum of positive squares in only one way, i.e., 6558721 + 6145441 = 2561^2 + 2479^2 .

It is a super-2 number, since 2×127041622 = 322791464244488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12704161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3176039 + ... + 3176042.

Almost surely, 212704162 is an apocalyptic number.

12704162 is a deficient number, since it is larger than the sum of its proper divisors (6352084).

12704162 is an equidigital number, since it uses as much as digits as its factorization.

12704162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6352083.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 12704162 is about 3564.2898310884. The cubic root of 12704162 is about 233.3361391953.

Adding to 12704162 its reverse (26140721), we get a palindrome (38844883).

The spelling of 12704162 in words is "twelve million, seven hundred four thousand, one hundred sixty-two".

Divisors: 1 2 6352081 12704162