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13271429 is a prime number
BaseRepresentation
bin110010101000…
…000110000101
3220222020222102
4302220012011
511344141204
61152241445
7220543133
oct62500605
926866872
1013271429
117545026
124540285
132998922
141a96753
15127241e
hexca8185

13271429 has 2 divisors, whose sum is σ = 13271430. Its totient is φ = 13271428.

The previous prime is 13271393. The next prime is 13271459. The reversal of 13271429 is 92417231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12974404 + 297025 = 3602^2 + 545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13271429 is a prime.

It is a super-2 number, since 2×132714292 = 352261655404082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13271459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6635714 + 6635715.

It is an arithmetic number, because the mean of its divisors is an integer number (6635715).

Almost surely, 213271429 is an apocalyptic number.

It is an amenable number.

13271429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13271429 is an equidigital number, since it uses as much as digits as its factorization.

13271429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 13271429 is about 3642.9972550086. The cubic root of 13271429 is about 236.7586723763.

The spelling of 13271429 in words is "thirteen million, two hundred seventy-one thousand, four hundred twenty-nine".