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13114223 = 15678369
BaseRepresentation
bin110010000001…
…101101101111
3220200021022222
4302001231233
511324123343
61145025555
7216316613
oct62015557
926607288
1013114223
117447a01
1244852bb
1329421c5
141a55343
151240a68
hexc81b6f

13114223 has 4 divisors (see below), whose sum is σ = 13124160. Its totient is φ = 13104288.

The previous prime is 13114217. The next prime is 13114261. The reversal of 13114223 is 32241131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32241131 = 132480087.

It is a cyclic number.

It is not a de Polignac number, because 13114223 - 26 = 13114159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13114723) 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 3 ways as a sum of consecutive naturals, for example, 2618 + ... + 5751.

It is an arithmetic number, because the mean of its divisors is an integer number (3281040).

Almost surely, 213114223 is an apocalyptic number.

13114223 is a deficient number, since it is larger than the sum of its proper divisors (9937).

13114223 is an equidigital number, since it uses as much as digits as its factorization.

13114223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936.

The product of its digits is 144, while the sum is 17.

The square root of 13114223 is about 3621.3565137942. The cubic root of 13114223 is about 235.8201193205.

Adding to 13114223 its reverse (32241131), we get a palindrome (45355354).

The spelling of 13114223 in words is "thirteen million, one hundred fourteen thousand, two hundred twenty-three".

Divisors: 1 1567 8369 13114223