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12704079 = 331136603
BaseRepresentation
bin110000011101…
…100101001111
3212220102201110
4300131211033
511223012304
61132143103
7212661063
oct60354517
925812643
1012704079
117197843
124307a93
13282a60b
141989aa3
1511ae289
hexc1d94f

12704079 has 8 divisors (see below), whose sum is σ = 17485312. Its totient is φ = 8196120.

The previous prime is 12704023. The next prime is 12704089. The reversal of 12704079 is 97040721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12704079 - 211 = 12702031 is a prime.

It is a super-2 number, since 2×127040792 = 322787246476482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12704009) 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, 68209 + ... + 68394.

It is an arithmetic number, because the mean of its divisors is an integer number (2185664).

Almost surely, 212704079 is an apocalyptic number.

12704079 is a deficient number, since it is larger than the sum of its proper divisors (4781233).

12704079 is a wasteful number, since it uses less digits than its factorization.

12704079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136637.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 12704079 is about 3564.2781877962. The cubic root of 12704079 is about 233.3356310431.

The spelling of 12704079 in words is "twelve million, seven hundred four thousand, seventy-nine".

Divisors: 1 3 31 93 136603 409809 4234693 12704079