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12406087 is a prime number
BaseRepresentation
bin101111010100…
…110101000111
3212100021221201
4233110311013
511133443322
61121523331
7210310231
oct57246507
925307851
1012406087
117003971
1241a3547
132754aa5
14190d251
151150d27
hexbd4d47

12406087 has 2 divisors, whose sum is σ = 12406088. Its totient is φ = 12406086.

The previous prime is 12406057. The next prime is 12406099. The reversal of 12406087 is 78060421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12406087 - 219 = 11881799 is a prime.

It is a Chen prime.

It is a zygodrome in base 5.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12406027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6203043 + 6203044.

It is an arithmetic number, because the mean of its divisors is an integer number (6203044).

Almost surely, 212406087 is an apocalyptic number.

12406087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12406087 is an equidigital number, since it uses as much as digits as its factorization.

12406087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 12406087 is about 3522.2275622112. The cubic root of 12406087 is about 231.4967726538.

The spelling of 12406087 in words is "twelve million, four hundred six thousand, eighty-seven".