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13119207 = 34373069
BaseRepresentation
bin110010000010…
…111011100111
3220200112011120
4302002323213
511324303312
61145105023
7216340263
oct62027347
926615146
1013119207
117450722
124488173
13294455a
141a570a3
15124228c
hexc82ee7

13119207 has 4 divisors (see below), whose sum is σ = 17492280. Its totient is φ = 8746136.

The previous prime is 13119191. The next prime is 13119233. The reversal of 13119207 is 70291131.

13119207 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70291131 = 323430377.

It is a cyclic number.

It is not a de Polignac number, because 13119207 - 24 = 13119191 is a prime.

It is a super-2 number, since 2×131192072 = 344227184617698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13119247) 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, 2186532 + ... + 2186537.

It is an arithmetic number, because the mean of its divisors is an integer number (4373070).

Almost surely, 213119207 is an apocalyptic number.

13119207 is a deficient number, since it is larger than the sum of its proper divisors (4373073).

13119207 is an equidigital number, since it uses as much as digits as its factorization.

13119207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373072.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 13119207 is about 3622.0445883506. The cubic root of 13119207 is about 235.8499896532.

The spelling of 13119207 in words is "thirteen million, one hundred nineteen thousand, two hundred seven".

Divisors: 1 3 4373069 13119207