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13200211 = 17776483
BaseRepresentation
bin110010010110…
…101101010011
3220211122021201
4302112231103
511334401321
61150532031
7220125403
oct62265523
926748251
1013200211
1174a6572
124507017
13297239b
141a78803
15125b291
hexc96b53

13200211 has 4 divisors (see below), whose sum is σ = 13976712. Its totient is φ = 12423712.

The previous prime is 13200199. The next prime is 13200221. The reversal of 13200211 is 11200231.

Adding to 13200211 its reverse (11200231), we get a palindrome (24400442).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11200231 = 71600033.

It is a cyclic number.

It is not a de Polignac number, because 13200211 - 25 = 13200179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13200221) 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, 388225 + ... + 388258.

It is an arithmetic number, because the mean of its divisors is an integer number (3494178).

Almost surely, 213200211 is an apocalyptic number.

13200211 is a deficient number, since it is larger than the sum of its proper divisors (776501).

13200211 is an equidigital number, since it uses as much as digits as its factorization.

13200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776500.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 13200211 is about 3633.2094627203. The cubic root of 13200211 is about 236.3344093367.

The spelling of 13200211 in words is "thirteen million, two hundred thousand, two hundred eleven".

Divisors: 1 17 776483 13200211