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13393349 is a prime number
BaseRepresentation
bin110011000101…
…110111000101
3221012110012222
4303011313011
511412041344
61155022125
7221561444
oct63056705
927173188
1013393349
117618692
12459a945
132a0c278
141ac8d5b
1512985ee
hexcc5dc5

13393349 has 2 divisors, whose sum is σ = 13393350. Its totient is φ = 13393348.

The previous prime is 13393313. The next prime is 13393351. The reversal of 13393349 is 94339331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7941124 + 5452225 = 2818^2 + 2335^2 .

It is an emirp because it is prime and its reverse (94339331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13393349 - 212 = 13389253 is a prime.

Together with 13393351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13393379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6696674 + 6696675.

It is an arithmetic number, because the mean of its divisors is an integer number (6696675).

Almost surely, 213393349 is an apocalyptic number.

It is an amenable number.

13393349 is a deficient number, since it is larger than the sum of its proper divisors (1).

13393349 is an equidigital number, since it uses as much as digits as its factorization.

13393349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244, while the sum is 35.

The square root of 13393349 is about 3659.6924734190. The cubic root of 13393349 is about 237.4814700225.

The spelling of 13393349 in words is "thirteen million, three hundred ninety-three thousand, three hundred forty-nine".