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13126469 is a prime number
BaseRepresentation
bin110010000100…
…101101000101
3220200220010112
4302010231011
511330021334
61145202405
7216400406
oct62045505
926626115
1013126469
117456124
124490405
132947955
141a599ad
1512444ce
hexc84b45

13126469 has 2 divisors, whose sum is σ = 13126470. Its totient is φ = 13126468.

The previous prime is 13126447. The next prime is 13126483. The reversal of 13126469 is 96462131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7896100 + 5230369 = 2810^2 + 2287^2 .

It is a cyclic number.

It is not a de Polignac number, because 13126469 - 28 = 13126213 is a prime.

It is a super-2 number, since 2×131264692 = 344608376815922, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13126429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6563234 + 6563235.

It is an arithmetic number, because the mean of its divisors is an integer number (6563235).

Almost surely, 213126469 is an apocalyptic number.

It is an amenable number.

13126469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13126469 is an equidigital number, since it uses as much as digits as its factorization.

13126469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 13126469 is about 3623.0469221361. The cubic root of 13126469 is about 235.8934990589.

The spelling of 13126469 in words is "thirteen million, one hundred twenty-six thousand, four hundred sixty-nine".