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13285507 is a prime number
BaseRepresentation
bin110010101011…
…100010000011
3220222222021211
4302223202003
511400114012
61152430551
7220632154
oct62534203
926888254
1013285507
117554664
124548457
1329a2161
141a9b92b
1512766a7
hexcab883

13285507 has 2 divisors, whose sum is σ = 13285508. Its totient is φ = 13285506.

The previous prime is 13285487. The next prime is 13285511. The reversal of 13285507 is 70558231.

It is a strong prime.

It is an emirp because it is prime and its reverse (70558231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13285507 - 27 = 13285379 is a prime.

It is not a weakly prime, because it can be changed into another prime (13285907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6642753 + 6642754.

It is an arithmetic number, because the mean of its divisors is an integer number (6642754).

Almost surely, 213285507 is an apocalyptic number.

13285507 is a deficient number, since it is larger than the sum of its proper divisors (1).

13285507 is an equidigital number, since it uses as much as digits as its factorization.

13285507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 13285507 is about 3644.9289430660. The cubic root of 13285507 is about 236.8423586855.

The spelling of 13285507 in words is "thirteen million, two hundred eighty-five thousand, five hundred seven".