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12886422 = 232147737
BaseRepresentation
bin110001001010…
…000110010110
3220020200211220
4301022012112
511244331142
61140111210
7214350513
oct61120626
926220756
1012886422
11730183a
124395506
132892603
1419d630a
1511e82ec
hexc4a196

12886422 has 8 divisors (see below), whose sum is σ = 25772856. Its totient is φ = 4295472.

The previous prime is 12886381. The next prime is 12886439. The reversal of 12886422 is 22468821.

It is a happy number.

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

12886422 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073863 + ... + 1073874.

It is an arithmetic number, because the mean of its divisors is an integer number (3221607).

Almost surely, 212886422 is an apocalyptic number.

12886422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12886422 is a wasteful number, since it uses less digits than its factorization.

12886422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147742.

The product of its digits is 12288, while the sum is 33.

The square root of 12886422 is about 3589.7662876572. The cubic root of 12886422 is about 234.4466958614.

The spelling of 12886422 in words is "twelve million, eight hundred eighty-six thousand, four hundred twenty-two".

Divisors: 1 2 3 6 2147737 4295474 6443211 12886422