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13126223 = 114327751
BaseRepresentation
bin110010000100…
…101001001111
3220200212210102
4302010221033
511330014343
61145201315
7216366605
oct62045117
926625712
1013126223
117455a20
12449023b
1329477c6
141a59875
1512443b8
hexc84a4f

13126223 has 8 divisors (see below), whose sum is σ = 14653056. Its totient is φ = 11655000.

The previous prime is 13126219. The next prime is 13126259. The reversal of 13126223 is 32262131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13126223 - 22 = 13126219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13126195 and 13126204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13126213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13403 + ... + 14348.

It is an arithmetic number, because the mean of its divisors is an integer number (1831632).

Almost surely, 213126223 is an apocalyptic number.

13126223 is a deficient number, since it is larger than the sum of its proper divisors (1526833).

13126223 is a wasteful number, since it uses less digits than its factorization.

13126223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27805.

The product of its digits is 432, while the sum is 20.

The square root of 13126223 is about 3623.0129726514. The cubic root of 13126223 is about 235.8920254419.

Adding to 13126223 its reverse (32262131), we get a palindrome (45388354).

The spelling of 13126223 in words is "thirteen million, one hundred twenty-six thousand, two hundred twenty-three".

Divisors: 1 11 43 473 27751 305261 1193293 13126223