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12875541 = 3783289
BaseRepresentation
bin110001000111…
…011100010101
3220020010220220
4301013130111
511244004131
61135544553
7214304010
oct61073425
926203826
1012875541
1172a4648
12438b159
13288a683
1419d2377
1511e4e96
hexc47715

12875541 has 24 divisors (see below), whose sum is σ = 20082240. Its totient is φ = 7187136.

The previous prime is 12875539. The next prime is 12875543. The reversal of 12875541 is 14557821.

12875541 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12875539) and next prime (12875543).

It is not a de Polignac number, because 12875541 - 21 = 12875539 is a prime.

12875541 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12875543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144625 + ... + 144713.

It is an arithmetic number, because the mean of its divisors is an integer number (836760).

Almost surely, 212875541 is an apocalyptic number.

It is an amenable number.

12875541 is a deficient number, since it is larger than the sum of its proper divisors (7206699).

12875541 is an frugal number, since it uses more digits than its factorization.

12875541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 182 counting only the distinct ones).

The product of its digits is 11200, while the sum is 33.

The square root of 12875541 is about 3588.2504093221. The cubic root of 12875541 is about 234.3806901374.

The spelling of 12875541 in words is "twelve million, eight hundred seventy-five thousand, five hundred forty-one".

Divisors: 1 3 7 21 83 89 249 267 581 623 1743 1869 6889 7387 20667 22161 48223 51709 144669 155127 613121 1839363 4291847 12875541