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13213093 is a prime number
BaseRepresentation
bin110010011001…
…110110100101
3220212021221211
4302121312211
511340304333
61151111421
7220211065
oct62316645
926767854
1013213093
117505213
124512571
1329781ca
141a7d3a5
15125eecd
hexc99da5

13213093 has 2 divisors, whose sum is σ = 13213094. Its totient is φ = 13213092.

The previous prime is 13213087. The next prime is 13213121. The reversal of 13213093 is 39031231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9998244 + 3214849 = 3162^2 + 1793^2 .

It is an emirp because it is prime and its reverse (39031231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13213093 - 25 = 13213061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13213043) 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, 6606546 + 6606547.

It is an arithmetic number, because the mean of its divisors is an integer number (6606547).

Almost surely, 213213093 is an apocalyptic number.

It is an amenable number.

13213093 is a deficient number, since it is larger than the sum of its proper divisors (1).

13213093 is an equidigital number, since it uses as much as digits as its factorization.

13213093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 13213093 is about 3634.9818431458. The cubic root of 13213093 is about 236.4112634122.

It can be divided in two parts, 132 and 13093, that added together give a square (13225 = 1152).

The spelling of 13213093 in words is "thirteen million, two hundred thirteen thousand, ninety-three".