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13425287 is a prime number
BaseRepresentation
bin110011001101…
…101010000111
3221021002000212
4303031222013
511414102122
61155430035
7222053531
oct63155207
927232025
1013425287
11763a687
1245b531b
132a20975
141ad6851
1512a2ce2
hexccda87

13425287 has 2 divisors, whose sum is σ = 13425288. Its totient is φ = 13425286.

The previous prime is 13425283. The next prime is 13425301. The reversal of 13425287 is 78252431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13425287 - 22 = 13425283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13425281) 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, 6712643 + 6712644.

It is an arithmetic number, because the mean of its divisors is an integer number (6712644).

Almost surely, 213425287 is an apocalyptic number.

13425287 is a deficient number, since it is larger than the sum of its proper divisors (1).

13425287 is an equidigital number, since it uses as much as digits as its factorization.

13425287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 13425287 is about 3664.0533565984. The cubic root of 13425287 is about 237.6700875796.

The spelling of 13425287 in words is "thirteen million, four hundred twenty-five thousand, two hundred eighty-seven".