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13302287 is a prime number
BaseRepresentation
bin110010101111…
…101000001111
3221000211022022
4302233220033
511401133122
61153040355
7221032115
oct62575017
927024268
1013302287
117566229
1245560bb
1329a999b
141aa3ab5
15127b642
hexcafa0f

13302287 has 2 divisors, whose sum is σ = 13302288. Its totient is φ = 13302286.

The previous prime is 13302283. The next prime is 13302293. The reversal of 13302287 is 78220331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13302287 - 22 = 13302283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13302281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651143 + 6651144.

It is an arithmetic number, because the mean of its divisors is an integer number (6651144).

Almost surely, 213302287 is an apocalyptic number.

13302287 is a deficient number, since it is larger than the sum of its proper divisors (1).

13302287 is an equidigital number, since it uses as much as digits as its factorization.

13302287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 13302287 is about 3647.2300448422. The cubic root of 13302287 is about 236.9420297723.

The spelling of 13302287 in words is "thirteen million, three hundred two thousand, two hundred eighty-seven".