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12086871 = 327114867
BaseRepresentation
bin101110000110…
…111001010111
3211202002001220
4232012321113
511043234441
61111021423
7204510456
oct56067127
924662056
1012086871
116906055
12406a873
1326726c4
141868b9d
1510db466
hexb86e57

12086871 has 8 divisors (see below), whose sum is σ = 16176384. Its totient is φ = 8027640.

The previous prime is 12086863. The next prime is 12086887. The reversal of 12086871 is 17868021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12086871 - 23 = 12086863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12086801) 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, 6621 + ... + 8246.

It is an arithmetic number, because the mean of its divisors is an integer number (2022048).

Almost surely, 212086871 is an apocalyptic number.

12086871 is a deficient number, since it is larger than the sum of its proper divisors (4089513).

12086871 is a wasteful number, since it uses less digits than its factorization.

12086871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15141.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 12086871 is about 3476.6177529317. The cubic root of 12086871 is about 229.4939788909.

The spelling of 12086871 in words is "twelve million, eighty-six thousand, eight hundred seventy-one".

Divisors: 1 3 271 813 14867 44601 4028957 12086871