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12804295 = 57365837
BaseRepresentation
bin110000110110…
…000011000111
3220002112012011
4300312003013
511234214140
61134235051
7213556210
oct60660307
926075164
1012804295
117256069
124355a87
13286410a
1419b4407
1511cdcea
hexc360c7

12804295 has 8 divisors (see below), whose sum is σ = 17560224. Its totient is φ = 8780064.

The previous prime is 12804293. The next prime is 12804301. The reversal of 12804295 is 59240821.

12804295 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12804295 - 21 = 12804293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12804293) 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 in 7 ways as a sum of consecutive naturals, for example, 182884 + ... + 182953.

It is an arithmetic number, because the mean of its divisors is an integer number (2195028).

Almost surely, 212804295 is an apocalyptic number.

12804295 is a deficient number, since it is larger than the sum of its proper divisors (4755929).

12804295 is an equidigital number, since it uses as much as digits as its factorization.

12804295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365849.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 12804295 is about 3578.3089581533. The cubic root of 12804295 is about 233.9475799982.

The spelling of 12804295 in words is "twelve million, eight hundred four thousand, two hundred ninety-five".

Divisors: 1 5 7 35 365837 1829185 2560859 12804295