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12163134 = 2313714797
BaseRepresentation
bin101110011001…
…100000111110
3211212221200110
4232121200332
511103210014
61112410450
7205246014
oct56314076
924787613
1012163134
116958385
1240a6a26
13269b329
1418888b4
151103d59
hexb9983e

12163134 has 16 divisors (see below), whose sum is σ = 24505488. Its totient is φ = 4024512.

The previous prime is 12163133. The next prime is 12163147. The reversal of 12163134 is 43136121.

It is a self number, because there is not a number n which added to its sum of digits gives 12163134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12163133) 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 7 ways as a sum of consecutive naturals, for example, 6577 + ... + 8220.

It is an arithmetic number, because the mean of its divisors is an integer number (1531593).

Almost surely, 212163134 is an apocalyptic number.

12163134 is an abundant number, since it is smaller than the sum of its proper divisors (12342354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12163134 is a wasteful number, since it uses less digits than its factorization.

12163134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14939.

The product of its digits is 432, while the sum is 21.

The square root of 12163134 is about 3487.5684939511. The cubic root of 12163134 is about 229.9756369909.

Adding to 12163134 its reverse (43136121), we get a palindrome (55299255).

The spelling of 12163134 in words is "twelve million, one hundred sixty-three thousand, one hundred thirty-four".

Divisors: 1 2 3 6 137 274 411 822 14797 29594 44391 88782 2027189 4054378 6081567 12163134