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13019087 is a prime number
BaseRepresentation
bin110001101010…
…011111001111
3220111102211102
4301222133033
511313102322
61143013315
7215442344
oct61523717
926442742
1013019087
117392484
12443a23b
13290ab03
141a2c7cb
151222792
hexc6a7cf

13019087 has 2 divisors, whose sum is σ = 13019088. Its totient is φ = 13019086.

The previous prime is 13019077. The next prime is 13019113. The reversal of 13019087 is 78091031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13019087 - 218 = 12756943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13019077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6509543 + 6509544.

It is an arithmetic number, because the mean of its divisors is an integer number (6509544).

Almost surely, 213019087 is an apocalyptic number.

13019087 is a deficient number, since it is larger than the sum of its proper divisors (1).

13019087 is an equidigital number, since it uses as much as digits as its factorization.

13019087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 13019087 is about 3608.1971952763. The cubic root of 13019087 is about 235.2484892295.

The spelling of 13019087 in words is "thirteen million, nineteen thousand, eighty-seven".