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13042277 is a prime number
BaseRepresentation
bin110001110000…
…001001100101
3220112121122022
4301300021211
511314323102
61143312525
7215600063
oct61601145
926477568
1013042277
1173a8946
12444b745
132918531
141a37033
1512295a2
hexc70265

13042277 has 2 divisors, whose sum is σ = 13042278. Its totient is φ = 13042276.

The previous prime is 13042273. The next prime is 13042283. The reversal of 13042277 is 77224031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12967201 + 75076 = 3601^2 + 274^2 .

It is an emirp because it is prime and its reverse (77224031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13042277 - 22 = 13042273 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13042273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6521138 + 6521139.

It is an arithmetic number, because the mean of its divisors is an integer number (6521139).

Almost surely, 213042277 is an apocalyptic number.

It is an amenable number.

13042277 is a deficient number, since it is larger than the sum of its proper divisors (1).

13042277 is an equidigital number, since it uses as much as digits as its factorization.

13042277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 13042277 is about 3611.4092817071. The cubic root of 13042277 is about 235.3880836714.

The spelling of 13042277 in words is "thirteen million, forty-two thousand, two hundred seventy-seven".