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12401087 is a prime number
BaseRepresentation
bin101111010011…
…100110111111
3212100001002112
4233103212333
511133313322
61121444235
7210256526
oct57234677
925301075
1012401087
117000136
1241a067b
13275272a
14190b4bd
15114e5e2
hexbd39bf

12401087 has 2 divisors, whose sum is σ = 12401088. Its totient is φ = 12401086.

The previous prime is 12401063. The next prime is 12401093. The reversal of 12401087 is 78010421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12401087 - 214 = 12384703 is a prime.

It is a Chen prime.

It is equal to p812660 and since 12401087 and 812660 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12401027) 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, 6200543 + 6200544.

It is an arithmetic number, because the mean of its divisors is an integer number (6200544).

Almost surely, 212401087 is an apocalyptic number.

12401087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12401087 is an equidigital number, since it uses as much as digits as its factorization.

12401087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 12401087 is about 3521.5177125779. The cubic root of 12401087 is about 231.4656685837.

The spelling of 12401087 in words is "twelve million, four hundred one thousand, eighty-seven".