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13305349 is a prime number
BaseRepresentation
bin110010110000…
…011000000101
3221000222111201
4302300120011
511401232344
61153102501
7221044051
oct62603005
927028451
1013305349
117568562
124557a31
1329ab1b5
141aa4c61
15127c4d4
hexcb0605

13305349 has 2 divisors, whose sum is σ = 13305350. Its totient is φ = 13305348.

The previous prime is 13305323. The next prime is 13305353. The reversal of 13305349 is 94350331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9345249 + 3960100 = 3057^2 + 1990^2 .

It is an emirp because it is prime and its reverse (94350331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13305349 - 27 = 13305221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13305319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6652674 + 6652675.

It is an arithmetic number, because the mean of its divisors is an integer number (6652675).

Almost surely, 213305349 is an apocalyptic number.

It is an amenable number.

13305349 is a deficient number, since it is larger than the sum of its proper divisors (1).

13305349 is an equidigital number, since it uses as much as digits as its factorization.

13305349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 13305349 is about 3647.6497913040. The cubic root of 13305349 is about 236.9602086222.

The spelling of 13305349 in words is "thirteen million, three hundred five thousand, three hundred forty-nine".