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12081319 is a prime number
BaseRepresentation
bin101110000101…
…100010100111
3211201210110021
4232011202213
511043100234
61110540011
7204455335
oct56054247
924653407
1012081319
116901968
124067607
132670013
141866b55
1510d99b4
hexb858a7

12081319 has 2 divisors, whose sum is σ = 12081320. Its totient is φ = 12081318.

The previous prime is 12081299. The next prime is 12081331. The reversal of 12081319 is 91318021.

12081319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12081319 - 25 = 12081287 is a prime.

It is a super-2 number, since 2×120813192 = 291916537559522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12081293 and 12081302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12081389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6040659 + 6040660.

It is an arithmetic number, because the mean of its divisors is an integer number (6040660).

Almost surely, 212081319 is an apocalyptic number.

12081319 is a deficient number, since it is larger than the sum of its proper divisors (1).

12081319 is an equidigital number, since it uses as much as digits as its factorization.

12081319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 12081319 is about 3475.8191840198. The cubic root of 12081319 is about 229.4588348157.

The spelling of 12081319 in words is "twelve million, eighty-one thousand, three hundred nineteen".