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13238663 is a prime number
BaseRepresentation
bin110010100000…
…000110000111
3220220121000212
4302200012013
511342114123
61151430035
7220345454
oct62400607
926817025
1013238663
117522449
12452531b
132986a39
141a8882b
151267878
hexca0187

13238663 has 2 divisors, whose sum is σ = 13238664. Its totient is φ = 13238662.

The previous prime is 13238653. The next prime is 13238677. The reversal of 13238663 is 36683231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13238663 - 210 = 13237639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13238633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6619331 + 6619332.

It is an arithmetic number, because the mean of its divisors is an integer number (6619332).

Almost surely, 213238663 is an apocalyptic number.

13238663 is a deficient number, since it is larger than the sum of its proper divisors (1).

13238663 is an equidigital number, since it uses as much as digits as its factorization.

13238663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 13238663 is about 3638.4973546782. The cubic root of 13238663 is about 236.5636663038.

The spelling of 13238663 in words is "thirteen million, two hundred thirty-eight thousand, six hundred sixty-three".