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12687301 = 1159113173
BaseRepresentation
bin110000011001…
…011111000101
3212212120201001
4300121133011
511221443201
61131533301
7212561134
oct60313705
925776631
1012687301
117186180
1242ba231
132822aa3
14198391b
1511a9301
hexc197c5

12687301 has 16 divisors (see below), whose sum is σ = 14281920. Its totient is φ = 11173120.

The previous prime is 12687223. The next prime is 12687331. The reversal of 12687301 is 10378621.

12687301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12687301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12687301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12687331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73251 + ... + 73423.

It is an arithmetic number, because the mean of its divisors is an integer number (892620).

Almost surely, 212687301 is an apocalyptic number.

12687301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12687301 is a deficient number, since it is larger than the sum of its proper divisors (1594619).

12687301 is a wasteful number, since it uses less digits than its factorization.

12687301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 12687301 is about 3561.9237779604. The cubic root of 12687301 is about 233.2328653638.

The spelling of 12687301 in words is "twelve million, six hundred eighty-seven thousand, three hundred one".

Divisors: 1 11 59 113 173 649 1243 1903 6667 10207 19549 73337 112277 215039 1153391 12687301