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13200011 = 11243259
BaseRepresentation
bin110010010110…
…101010001011
3220211122000022
4302112222023
511334400021
61150531055
7220124666
oct62265213
926748008
1013200011
1174a6400
124506a8b
132972276
141a786dd
15125b1ab
hexc96a8b

13200011 has 18 divisors (see below), whose sum is σ = 15106140. Its totient is φ = 11522280.

The previous prime is 13200001. The next prime is 13200101. The reversal of 13200011 is 11000231.

13200011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13200011 - 214 = 13183627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13200001) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 223700 + ... + 223758.

It is an arithmetic number, because the mean of its divisors is an integer number (839230).

Almost surely, 213200011 is an apocalyptic number.

13200011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13200011 is a deficient number, since it is larger than the sum of its proper divisors (1906129).

13200011 is an equidigital number, since it uses as much as digits as its factorization.

13200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 13200011 is about 3633.1819387419. The cubic root of 13200011 is about 236.3332157416. Note that the first 3 decimals are identical.

Adding to 13200011 its reverse (11000231), we get a palindrome (24200242).

The spelling of 13200011 in words is "thirteen million, two hundred thousand, eleven".

Divisors: 1 11 43 59 121 473 649 1849 2537 5203 7139 20339 27907 109091 223729 306977 1200001 13200011