[go: up one dir, main page]

Search a number
-
+
13301287 is a prime number
BaseRepresentation
bin110010101111…
…011000100111
3221000202221021
4302233120213
511401120122
61153032011
7221026156
oct62573047
927022837
1013301287
1175654aa
124555607
1329a93ac
141aa359d
15127b1c7
hexcaf627

13301287 has 2 divisors, whose sum is σ = 13301288. Its totient is φ = 13301286.

The previous prime is 13301279. The next prime is 13301341. The reversal of 13301287 is 78210331.

It is a weak prime.

It is an emirp because it is prime and its reverse (78210331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13301287 - 23 = 13301279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13302287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6650643 + 6650644.

It is an arithmetic number, because the mean of its divisors is an integer number (6650644).

Almost surely, 213301287 is an apocalyptic number.

13301287 is a deficient number, since it is larger than the sum of its proper divisors (1).

13301287 is an equidigital number, since it uses as much as digits as its factorization.

13301287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 13301287 is about 3647.0929519276. The cubic root of 13301287 is about 236.9360922478.

The spelling of 13301287 in words is "thirteen million, three hundred one thousand, two hundred eighty-seven".