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12228695 = 517473061
BaseRepresentation
bin101110101001…
…100001010111
3212000021121122
4232221201113
511112304240
61114034155
7205641113
oct56514127
925007548
1012228695
1169a2666
12411895b
1326c211b
1418a4743
1511184b5
hexba9857

12228695 has 16 divisors (see below), whose sum is σ = 15873408. Its totient is φ = 9008640.

The previous prime is 12228683. The next prime is 12228707. The reversal of 12228695 is 59682221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12228683) and next prime (12228707).

It is not a de Polignac number, because 12228695 - 24 = 12228679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2465 + ... + 5525.

It is an arithmetic number, because the mean of its divisors is an integer number (992088).

Almost surely, 212228695 is an apocalyptic number.

12228695 is a deficient number, since it is larger than the sum of its proper divisors (3644713).

12228695 is a wasteful number, since it uses less digits than its factorization.

12228695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130.

The product of its digits is 17280, while the sum is 35.

The square root of 12228695 is about 3496.9551040870. The cubic root of 12228695 is about 230.3880971277.

The spelling of 12228695 in words is "twelve million, two hundred twenty-eight thousand, six hundred ninety-five".

Divisors: 1 5 17 47 85 235 799 3061 3995 15305 52037 143867 260185 719335 2445739 12228695