Search a number
-
+
13107079 = 23312593
BaseRepresentation
bin110001111111…
…111110000111
3220122220112101
4301333332013
511323411304
61144532531
7216260026
oct61777607
926586471
1013107079
1174425a7
124481147
13293bb8b
141a528bd
15123d8a4
hexc7ff87

13107079 has 12 divisors (see below), whose sum is σ = 14156208. Its totient is φ = 12112320.

The previous prime is 13107053. The next prime is 13107089. The reversal of 13107079 is 97070131.

It is a happy number.

It is not a de Polignac number, because 13107079 - 29 = 13106567 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13107019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21807 + ... + 22399.

It is an arithmetic number, because the mean of its divisors is an integer number (1179684).

Almost surely, 213107079 is an apocalyptic number.

13107079 is a deficient number, since it is larger than the sum of its proper divisors (1049129).

13107079 is an equidigital number, since it uses as much as digits as its factorization.

13107079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 13107079 is about 3620.3700087146. The cubic root of 13107079 is about 235.7772903772. Note that the first 3 decimals are identical.

The spelling of 13107079 in words is "thirteen million, one hundred seven thousand, seventy-nine".

Divisors: 1 23 31 593 713 961 13639 18383 22103 422809 569873 13107079