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12183641 is a prime number
BaseRepresentation
bin101110011110…
…100001011001
3211220222210222
4232132201121
511104334031
61113045425
7205362551
oct56364131
924828728
1012183641
116971828
1240b6875
1326a7772
141892161
151109e7b
hexb9e859

12183641 has 2 divisors, whose sum is σ = 12183642. Its totient is φ = 12183640.

The previous prime is 12183637. The next prime is 12183643. The reversal of 12183641 is 14638121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12145225 + 38416 = 3485^2 + 196^2 .

It is a cyclic number.

It is not a de Polignac number, because 12183641 - 22 = 12183637 is a prime.

It is a super-2 number, since 2×121836412 = 296882216033762, which contains 22 as substring.

Together with 12183643, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12183641.

It is not a weakly prime, because it can be changed into another prime (12183643) 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 as a sum of consecutive naturals, namely, 6091820 + 6091821.

It is an arithmetic number, because the mean of its divisors is an integer number (6091821).

Almost surely, 212183641 is an apocalyptic number.

It is an amenable number.

12183641 is a deficient number, since it is larger than the sum of its proper divisors (1).

12183641 is an equidigital number, since it uses as much as digits as its factorization.

12183641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 12183641 is about 3490.5072697246. The cubic root of 12183641 is about 230.1048104539.

The spelling of 12183641 in words is "twelve million, one hundred eighty-three thousand, six hundred forty-one".