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12575049 = 34322267
BaseRepresentation
bin101111111110…
…000101001001
3212122212201120
4233332011021
511204400144
61125305453
7211612644
oct57760511
925585646
1012575049
117109903
124265289
1327b3976
141954a5b
151185e19
hexbfe149

12575049 has 12 divisors (see below), whose sum is σ = 17173296. Its totient is φ = 8184792.

The previous prime is 12575047. The next prime is 12575063. The reversal of 12575049 is 94057521.

It is not a de Polignac number, because 12575049 - 21 = 12575047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12575041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4414 + ... + 6680.

It is an arithmetic number, because the mean of its divisors is an integer number (1431108).

Almost surely, 212575049 is an apocalyptic number.

It is an amenable number.

12575049 is a deficient number, since it is larger than the sum of its proper divisors (4598247).

12575049 is an equidigital number, since it uses as much as digits as its factorization.

12575049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 12575049 is about 3546.1315542433. The cubic root of 12575049 is about 232.5429773714.

The spelling of 12575049 in words is "twelve million, five hundred seventy-five thousand, forty-nine".

Divisors: 1 3 43 129 1849 2267 5547 6801 97481 292443 4191683 12575049