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12868177 = 74739113
BaseRepresentation
bin110001000101…
…101001010001
3220012202211011
4301011221101
511243240202
61135450521
7214243360
oct61055121
926182734
1012868177
11729a063
124386a41
13288720a
1419cd7d7
1511e2bd7
hexc45a51

12868177 has 8 divisors (see below), whose sum is σ = 15019776. Its totient is φ = 10794912.

The previous prime is 12868169. The next prime is 12868181. The reversal of 12868177 is 77186821.

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 12868177 - 23 = 12868169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12868147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19228 + ... + 19885.

It is an arithmetic number, because the mean of its divisors is an integer number (1877472).

Almost surely, 212868177 is an apocalyptic number.

It is an amenable number.

12868177 is a deficient number, since it is larger than the sum of its proper divisors (2151599).

12868177 is an equidigital number, since it uses as much as digits as its factorization.

12868177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39167.

The product of its digits is 37632, while the sum is 40.

The square root of 12868177 is about 3587.2241357350. The cubic root of 12868177 is about 234.3359979427.

The spelling of 12868177 in words is "twelve million, eight hundred sixty-eight thousand, one hundred seventy-seven".

Divisors: 1 7 47 329 39113 273791 1838311 12868177