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13708489 is a prime number
BaseRepresentation
bin110100010010…
…110011001001
3221210110111211
4310102303021
512002132424
61205453121
7224343304
oct64226311
927713454
1013708489
117813433
1247111a1
132abc842
141b6bb3b
15130bb94
hexd12cc9

13708489 has 2 divisors, whose sum is σ = 13708490. Its totient is φ = 13708488.

The previous prime is 13708441. The next prime is 13708517. The reversal of 13708489 is 98480731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10791225 + 2917264 = 3285^2 + 1708^2 .

It is a cyclic number.

It is not a de Polignac number, because 13708489 - 215 = 13675721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13708439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6854244 + 6854245.

It is an arithmetic number, because the mean of its divisors is an integer number (6854245).

Almost surely, 213708489 is an apocalyptic number.

It is an amenable number.

13708489 is a deficient number, since it is larger than the sum of its proper divisors (1).

13708489 is an equidigital number, since it uses as much as digits as its factorization.

13708489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 13708489 is about 3702.4976704922. The cubic root of 13708489 is about 239.3296630093.

The spelling of 13708489 in words is "thirteen million, seven hundred eight thousand, four hundred eighty-nine".