Search a number
-
+
13812323 = 72968041
BaseRepresentation
bin110100101100…
…001001100011
3221222201221112
4310230021203
512013443243
61212013535
7225255110
oct64541143
927881845
1013812323
117884448
1247612ab
132b27b95
141b97907
15132c818
hexd2c263

13812323 has 8 divisors (see below), whose sum is σ = 16330080. Its totient is φ = 11430720.

The previous prime is 13812319. The next prime is 13812349. The reversal of 13812323 is 32321831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13812323 - 22 = 13812319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13812023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33818 + ... + 34223.

It is an arithmetic number, because the mean of its divisors is an integer number (2041260).

Almost surely, 213812323 is an apocalyptic number.

13812323 is a deficient number, since it is larger than the sum of its proper divisors (2517757).

13812323 is an equidigital number, since it uses as much as digits as its factorization.

13812323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68077.

The product of its digits is 864, while the sum is 23.

The square root of 13812323 is about 3716.4933741364. The cubic root of 13812323 is about 239.9324057329.

The spelling of 13812323 in words is "thirteen million, eight hundred twelve thousand, three hundred twenty-three".

Divisors: 1 7 29 203 68041 476287 1973189 13812323