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12324817 = 34633559
BaseRepresentation
bin101111000000…
…111111010001
3212012011110201
4233000333101
511123343232
61120055201
7206521261
oct57007721
925164421
1012324817
116a588aa
124164501
132726abb
1418cb7a1
151136be7
hexbc0fd1

12324817 has 4 divisors (see below), whose sum is σ = 12331840. Its totient is φ = 12317796.

The previous prime is 12324799. The next prime is 12324821. The reversal of 12324817 is 71842321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71842321 = 463155167.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12324817 is a prime.

It is a super-2 number, since 2×123248172 = 303802228166978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12324827) 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, 1684 + ... + 5242.

It is an arithmetic number, because the mean of its divisors is an integer number (3082960).

Almost surely, 212324817 is an apocalyptic number.

It is an amenable number.

12324817 is a deficient number, since it is larger than the sum of its proper divisors (7023).

12324817 is an equidigital number, since it uses as much as digits as its factorization.

12324817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7022.

The product of its digits is 2688, while the sum is 28.

The square root of 12324817 is about 3510.6718730180. The cubic root of 12324817 is about 230.9901671820.

The spelling of 12324817 in words is "twelve million, three hundred twenty-four thousand, eight hundred seventeen".

Divisors: 1 3463 3559 12324817