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13327223 = 7131371069
BaseRepresentation
bin110010110101…
…101101110111
3221002002111212
4302311231313
511402432343
61153352035
7221164610
oct62655567
927062455
1013327223
117582a38
12456861b
1329b8140
141aacc07
151283c18
hexcb5b77

13327223 has 16 divisors (see below), whose sum is σ = 16537920. Its totient is φ = 10457856.

The previous prime is 13327187. The next prime is 13327243. The reversal of 13327223 is 32272331.

It is a cyclic number.

It is not a de Polignac number, because 13327223 - 26 = 13327159 is a prime.

It is a super-2 number, since 2×133272232 = 355229745783458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13327243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11933 + ... + 13001.

It is an arithmetic number, because the mean of its divisors is an integer number (1033620).

Almost surely, 213327223 is an apocalyptic number.

13327223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13327223 is a deficient number, since it is larger than the sum of its proper divisors (3210697).

13327223 is a wasteful number, since it uses less digits than its factorization.

13327223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226.

The product of its digits is 1512, while the sum is 23.

The square root of 13327223 is about 3650.6469289703. The cubic root of 13327223 is about 237.0899917584.

Adding to 13327223 its reverse (32272331), we get a palindrome (45599554).

The spelling of 13327223 in words is "thirteen million, three hundred twenty-seven thousand, two hundred twenty-three".

Divisors: 1 7 13 91 137 959 1069 1781 7483 12467 13897 97279 146453 1025171 1903889 13327223