Search a number
-
+
12268117 = 67318229
BaseRepresentation
bin101110110011…
…001001010101
3212002021200201
4232303021111
511120034432
61114540501
7206164051
oct56631125
925067621
1012268117
116a1a244
124137731
132707054
1418b4c61
151124ee7
hexbb3255

12268117 has 4 divisors (see below), whose sum is σ = 12287020. Its totient is φ = 12249216.

The previous prime is 12268103. The next prime is 12268133. The reversal of 12268117 is 71186221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71186221 = 577123373.

It can be written as a sum of positive squares in 2 ways, for example, as 9492561 + 2775556 = 3081^2 + 1666^2 .

It is a cyclic number.

It is not a de Polignac number, because 12268117 - 219 = 11743829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12268187) 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, 8442 + ... + 9787.

It is an arithmetic number, because the mean of its divisors is an integer number (3071755).

Almost surely, 212268117 is an apocalyptic number.

It is an amenable number.

12268117 is a deficient number, since it is larger than the sum of its proper divisors (18903).

12268117 is an equidigital number, since it uses as much as digits as its factorization.

12268117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18902.

The product of its digits is 1344, while the sum is 28.

The square root of 12268117 is about 3502.5871866379. The cubic root of 12268117 is about 230.6354011755.

The spelling of 12268117 in words is "twelve million, two hundred sixty-eight thousand, one hundred seventeen".

Divisors: 1 673 18229 12268117