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12671055 = 325281579
BaseRepresentation
bin110000010101…
…100001001111
3212211202102100
4300111201033
511220433210
61131330143
7212462565
oct60254117
925752370
1012671055
117174a51
1242b0953
132818587
14197ba35
1511a45c0
hexc1584f

12671055 has 12 divisors (see below), whose sum is σ = 21963240. Its totient is φ = 6757872.

The previous prime is 12671041. The next prime is 12671089. The reversal of 12671055 is 55017621.

It is not a de Polignac number, because 12671055 - 25 = 12671023 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 140745 + ... + 140834.

It is an arithmetic number, because the mean of its divisors is an integer number (1830270).

Almost surely, 212671055 is an apocalyptic number.

12671055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12671055 is a deficient number, since it is larger than the sum of its proper divisors (9292185).

12671055 is a wasteful number, since it uses less digits than its factorization.

12671055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281590 (or 281587 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 12671055 is about 3559.6425382333. The cubic root of 12671055 is about 233.1332718257.

Adding to 12671055 its reverse (55017621), we get a palindrome (67688676).

The spelling of 12671055 in words is "twelve million, six hundred seventy-one thousand, fifty-five".

Divisors: 1 3 5 9 15 45 281579 844737 1407895 2534211 4223685 12671055