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13123022 = 2112967307
BaseRepresentation
bin110010000011…
…110111001110
3220200201101212
4302003313032
511324414042
61145134422
7216354353
oct62036716
926621355
1013123022
117453580
12448a412
132946203
141a5862a
151243482
hexc83dce

13123022 has 32 divisors (see below), whose sum is σ = 22619520. Its totient is φ = 5654880.

The previous prime is 13123021. The next prime is 13123039. The reversal of 13123022 is 22032131.

Adding to 13123022 its reverse (22032131), we get a palindrome (35155153).

It can be divided in two parts, 1312 and 3022, that added together give a palindrome (4334).

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13122988 and 13123006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123021) by changing a digit.

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, 42593 + ... + 42899.

It is an arithmetic number, because the mean of its divisors is an integer number (706860).

Almost surely, 213123022 is an apocalyptic number.

13123022 is a deficient number, since it is larger than the sum of its proper divisors (9496498).

13123022 is a wasteful number, since it uses less digits than its factorization.

13123022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13123022 is about 3622.5711863261. The cubic root of 13123022 is about 235.8728487714.

The spelling of 13123022 in words is "thirteen million, one hundred twenty-three thousand, twenty-two".

Divisors: 1 2 11 22 29 58 67 134 307 319 614 638 737 1474 1943 3377 3886 6754 8903 17806 20569 21373 41138 42746 97933 195866 226259 452518 596501 1193002 6561511 13123022