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12704799 = 34234933
BaseRepresentation
bin110000011101…
…110000011111
3212220110201010
4300131300133
511223023144
61132150303
7212663142
oct60356037
925813633
1012704799
117198338
124308393
13282aa43
14198a059
1511ae5b9
hexc1dc1f

12704799 has 4 divisors (see below), whose sum is σ = 16939736. Its totient is φ = 8469864.

The previous prime is 12704779. The next prime is 12704803. The reversal of 12704799 is 99740721.

12704799 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 not a de Polignac number, because 12704799 - 212 = 12700703 is a prime.

It is a super-2 number, since 2×127047992 = 322823835260802, 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 (12704759) 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, 2117464 + ... + 2117469.

It is an arithmetic number, because the mean of its divisors is an integer number (4234934).

Almost surely, 212704799 is an apocalyptic number.

12704799 is a deficient number, since it is larger than the sum of its proper divisors (4234937).

12704799 is an equidigital number, since it uses as much as digits as its factorization.

12704799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234936.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 12704799 is about 3564.3791885825. The cubic root of 12704799 is about 233.3400390363.

The spelling of 12704799 in words is "twelve million, seven hundred four thousand, seven hundred ninety-nine".

Divisors: 1 3 4234933 12704799