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12086229 = 34028743
BaseRepresentation
bin101110000110…
…101111010101
3211202001012010
4232012233111
511043224404
61111014433
7204505551
oct56065725
924661163
1012086229
116905621
12406a419
13267231c
141868861
1510db189
hexb86bd5

12086229 has 4 divisors (see below), whose sum is σ = 16114976. Its totient is φ = 8057484.

The previous prime is 12086227. The next prime is 12086231. The reversal of 12086229 is 92268021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92268021 = 330756007.

It is an interprime number because it is at equal distance from previous prime (12086227) and next prime (12086231).

It is not a de Polignac number, because 12086229 - 21 = 12086227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12086196 and 12086205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12086227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2014369 + ... + 2014374.

It is an arithmetic number, because the mean of its divisors is an integer number (4028744).

Almost surely, 212086229 is an apocalyptic number.

It is an amenable number.

12086229 is a deficient number, since it is larger than the sum of its proper divisors (4028747).

12086229 is an equidigital number, since it uses as much as digits as its factorization.

12086229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028746.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12086229 is about 3476.5254205888. The cubic root of 12086229 is about 229.4899155911.

The spelling of 12086229 in words is "twelve million, eighty-six thousand, two hundred twenty-nine".

Divisors: 1 3 4028743 12086229