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13066223 is a prime number
BaseRepresentation
bin110001110101…
…111111101111
3220120211111012
4301311333233
511321104343
61144015435
7216026642
oct61657757
926524435
1013066223
117414935
12446157b
1329263c1
141a41a59
151231718
hexc75fef

13066223 has 2 divisors, whose sum is σ = 13066224. Its totient is φ = 13066222.

The previous prime is 13066177. The next prime is 13066237. The reversal of 13066223 is 32266031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13066223 - 28 = 13065967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13066253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6533111 + 6533112.

It is an arithmetic number, because the mean of its divisors is an integer number (6533112).

Almost surely, 213066223 is an apocalyptic number.

13066223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13066223 is an equidigital number, since it uses as much as digits as its factorization.

13066223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 13066223 is about 3614.7230875961. The cubic root of 13066223 is about 235.5320553850.

The spelling of 13066223 in words is "thirteen million, sixty-six thousand, two hundred twenty-three".