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12225179 is a prime number
BaseRepresentation
bin101110101000…
…101010011011
3212000002210102
4232220222123
511112201204
61114010015
7205624631
oct56505233
925002712
1012225179
11699aa5a
12411690b
1326c0645
1418a3351
15111741e
hexba8a9b

12225179 has 2 divisors, whose sum is σ = 12225180. Its totient is φ = 12225178.

The previous prime is 12225149. The next prime is 12225197. The reversal of 12225179 is 97152221.

Together with next prime (12225197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12225179 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12225149) 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, 6112589 + 6112590.

It is an arithmetic number, because the mean of its divisors is an integer number (6112590).

Almost surely, 212225179 is an apocalyptic number.

12225179 is a deficient number, since it is larger than the sum of its proper divisors (1).

12225179 is an equidigital number, since it uses as much as digits as its factorization.

12225179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 29.

The square root of 12225179 is about 3496.4523448776. The cubic root of 12225179 is about 230.3660145807.

The spelling of 12225179 in words is "twelve million, two hundred twenty-five thousand, one hundred seventy-nine".