Search a number
-
+
13200107 = 71185917
BaseRepresentation
bin110010010110…
…101011101011
3220211122010212
4302112223223
511334400412
61150531335
7220125164
oct62265353
926748125
1013200107
1174a6488
124506b4b
13297231b
141a7876b
15125b222
hexc96aeb

13200107 has 4 divisors (see below), whose sum is σ = 13386096. Its totient is φ = 13014120.

The previous prime is 13200101. The next prime is 13200119. The reversal of 13200107 is 70100231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13200107 - 218 = 12937963 is a prime.

It is a super-2 number, since 2×132001072 = 348485649622898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13200091 and 13200100.

It is not an unprimeable number, because it can be changed into a prime (13200101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92888 + ... + 93029.

It is an arithmetic number, because the mean of its divisors is an integer number (3346524).

Almost surely, 213200107 is an apocalyptic number.

13200107 is a deficient number, since it is larger than the sum of its proper divisors (185989).

13200107 is an equidigital number, since it uses as much as digits as its factorization.

13200107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185988.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 13200107 is about 3633.1951502775. The cubic root of 13200107 is about 236.3337886687. Note that the first 3 decimals are identical.

Adding to 13200107 its reverse (70100231), we get a palindrome (83300338).

The spelling of 13200107 in words is "thirteen million, two hundred thousand, one hundred seven".

Divisors: 1 71 185917 13200107