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12969269 is a prime number
BaseRepresentation
bin110001011110…
…010100110101
3220101220111022
4301132110311
511310004034
61141550525
7215144165
oct61362465
926356438
1012969269
117359005
124415445
1328c1231
141a185a5
151212b2e
hexc5e535

12969269 has 2 divisors, whose sum is σ = 12969270. Its totient is φ = 12969268.

The previous prime is 12969251. The next prime is 12969287. The reversal of 12969269 is 96296921.

It is a balanced prime because it is at equal distance from previous prime (12969251) and next prime (12969287).

It can be written as a sum of positive squares in only one way, i.e., 12460900 + 508369 = 3530^2 + 713^2 .

It is a cyclic number.

It is not a de Polignac number, because 12969269 - 216 = 12903733 is a prime.

It is a super-2 number, since 2×129692692 = 336403876788722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12969469) 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, 6484634 + 6484635.

It is an arithmetic number, because the mean of its divisors is an integer number (6484635).

Almost surely, 212969269 is an apocalyptic number.

It is an amenable number.

12969269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12969269 is an equidigital number, since it uses as much as digits as its factorization.

12969269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 44.

The square root of 12969269 is about 3601.2871310130. The cubic root of 12969269 is about 234.9480434405.

The spelling of 12969269 in words is "twelve million, nine hundred sixty-nine thousand, two hundred sixty-nine".