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13489087 is a prime number
BaseRepresentation
bin110011011101…
…001110111111
3221101022112211
4303131032333
511423122322
61201041251
7222440533
oct63351677
927338484
1013489087
117683607
124626227
132a43a11
141b11bc3
1512b6b77
hexcdd3bf

13489087 has 2 divisors, whose sum is σ = 13489088. Its totient is φ = 13489086.

The previous prime is 13489081. The next prime is 13489093. The reversal of 13489087 is 78098431.

It is a balanced prime because it is at equal distance from previous prime (13489081) and next prime (13489093).

It is an emirp because it is prime and its reverse (78098431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13489087 - 23 = 13489079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13489081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6744543 + 6744544.

It is an arithmetic number, because the mean of its divisors is an integer number (6744544).

Almost surely, 213489087 is an apocalyptic number.

13489087 is a deficient number, since it is larger than the sum of its proper divisors (1).

13489087 is an equidigital number, since it uses as much as digits as its factorization.

13489087 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 13489087 is about 3672.7492427336. The cubic root of 13489087 is about 238.0459801002.

The spelling of 13489087 in words is "thirteen million, four hundred eighty-nine thousand, eighty-seven".