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13260787 is a prime number
BaseRepresentation
bin110010100101…
…011111110011
3220221201101021
4302211133303
511343321122
61152120311
7220500121
oct62453763
926851337
1013260787
117538031
124536097
132993b27
141a92911
15126e1c7
hexca57f3

13260787 has 2 divisors, whose sum is σ = 13260788. Its totient is φ = 13260786.

The previous prime is 13260749. The next prime is 13260809. The reversal of 13260787 is 78706231.

It is a strong prime.

It is an emirp because it is prime and its reverse (78706231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13260787 is a prime.

It is not a weakly prime, because it can be changed into another prime (13260287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6630393 + 6630394.

It is an arithmetic number, because the mean of its divisors is an integer number (6630394).

Almost surely, 213260787 is an apocalyptic number.

13260787 is a deficient number, since it is larger than the sum of its proper divisors (1).

13260787 is an equidigital number, since it uses as much as digits as its factorization.

13260787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 13260787 is about 3641.5363515967. The cubic root of 13260787 is about 236.6953719948.

The spelling of 13260787 in words is "thirteen million, two hundred sixty thousand, seven hundred eighty-seven".