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13320353 is a prime number
BaseRepresentation
bin110010110100…
…000010100001
3221001202002102
4302310002201
511402222403
61153300145
7221135564
oct62640241
927052072
1013320353
117578862
124564655
1329b4c87
141aaa4db
151281b88
hexcb40a1

13320353 has 2 divisors, whose sum is σ = 13320354. Its totient is φ = 13320352.

The previous prime is 13320343. The next prime is 13320361. The reversal of 13320353 is 35302331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8427409 + 4892944 = 2903^2 + 2212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13320353 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13320313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660176 + 6660177.

It is an arithmetic number, because the mean of its divisors is an integer number (6660177).

Almost surely, 213320353 is an apocalyptic number.

It is an amenable number.

13320353 is a deficient number, since it is larger than the sum of its proper divisors (1).

13320353 is an equidigital number, since it uses as much as digits as its factorization.

13320353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 13320353 is about 3649.7058785606. The cubic root of 13320353 is about 237.0492458806.

Adding to 13320353 its reverse (35302331), we get a palindrome (48622684).

The spelling of 13320353 in words is "thirteen million, three hundred twenty thousand, three hundred fifty-three".