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13820633 is a prime number
BaseRepresentation
bin110100101110…
…001011011001
3222000011100022
4310232023121
512014230013
61212120225
7225321251
oct64561331
928004308
1013820633
11788a712
124766075
132b2b8b8
141b9a961
151330008
hexd2e2d9

13820633 has 2 divisors, whose sum is σ = 13820634. Its totient is φ = 13820632.

The previous prime is 13820629. The next prime is 13820671. The reversal of 13820633 is 33602831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13520329 + 300304 = 3677^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 13820633 - 22 = 13820629 is a prime.

It is a Chen prime.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (13820603) 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, 6910316 + 6910317.

It is an arithmetic number, because the mean of its divisors is an integer number (6910317).

Almost surely, 213820633 is an apocalyptic number.

It is an amenable number.

13820633 is a deficient number, since it is larger than the sum of its proper divisors (1).

13820633 is an equidigital number, since it uses as much as digits as its factorization.

13820633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 13820633 is about 3717.6111953780. The cubic root of 13820633 is about 239.9805134642.

The spelling of 13820633 in words is "thirteen million, eight hundred twenty thousand, six hundred thirty-three".