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13578041 is a prime number
BaseRepresentation
bin110011110010…
…111100111001
3221112211120102
4303302330321
511433444131
61203005145
7223261061
oct63627471
927484512
1013578041
117734424
1246697b5
132a75359
141b363a1
1512d31cb
hexcf2f39

13578041 has 2 divisors, whose sum is σ = 13578042. Its totient is φ = 13578040.

The previous prime is 13578023. The next prime is 13578043. The reversal of 13578041 is 14087531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13213225 + 364816 = 3635^2 + 604^2 .

It is a cyclic number.

It is not a de Polignac number, because 13578041 - 214 = 13561657 is a prime.

Together with 13578043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13577995 and 13578013.

It is not a weakly prime, because it can be changed into another prime (13578043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6789020 + 6789021.

It is an arithmetic number, because the mean of its divisors is an integer number (6789021).

Almost surely, 213578041 is an apocalyptic number.

It is an amenable number.

13578041 is a deficient number, since it is larger than the sum of its proper divisors (1).

13578041 is an equidigital number, since it uses as much as digits as its factorization.

13578041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 13578041 is about 3684.8393452090. The cubic root of 13578041 is about 238.5681000750.

The spelling of 13578041 in words is "thirteen million, five hundred seventy-eight thousand, forty-one".