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12704573 = 72259277
BaseRepresentation
bin110000011101…
…101100111101
3212220110101202
4300131230331
511223021243
61132145245
7212662400
oct60355475
925813352
1012704573
117198152
124308225
13282a8cb
141989d37
1511ae4b8
hexc1db3d

12704573 has 6 divisors (see below), whose sum is σ = 14778846. Its totient is φ = 10889592.

The previous prime is 12704567. The next prime is 12704591. The reversal of 12704573 is 37540721.

It can be written as a sum of positive squares in only one way, i.e., 12694969 + 9604 = 3563^2 + 98^2 .

It is not a de Polignac number, because 12704573 - 28 = 12704317 is a prime.

It is a super-2 number, since 2×127045732 = 322812350224658, 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 (12704273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129590 + ... + 129687.

It is an arithmetic number, because the mean of its divisors is an integer number (2463141).

Almost surely, 212704573 is an apocalyptic number.

It is an amenable number.

12704573 is a deficient number, since it is larger than the sum of its proper divisors (2074273).

12704573 is an equidigital number, since it uses as much as digits as its factorization.

12704573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259291 (or 259284 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 12704573 is about 3564.3474858661. The cubic root of 12704573 is about 233.3386554342.

The spelling of 12704573 in words is "twelve million, seven hundred four thousand, five hundred seventy-three".

Divisors: 1 7 49 259277 1814939 12704573