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12397027 is a prime number
BaseRepresentation
bin101111010010…
…100111100011
3212022211112011
4233102213203
511133201102
61121413351
7210241636
oct57224743
925284464
1012397027
116aa8085
12419a257
132750926
141909c1d
15114d2d7
hexbd29e3

12397027 has 2 divisors, whose sum is σ = 12397028. Its totient is φ = 12397026.

The previous prime is 12397009. The next prime is 12397037. The reversal of 12397027 is 72079321.

It is a strong prime.

It is an emirp because it is prime and its reverse (72079321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12397027 - 211 = 12394979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12397027.

It is not a weakly prime, because it can be changed into another prime (12397037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6198513 + 6198514.

It is an arithmetic number, because the mean of its divisors is an integer number (6198514).

Almost surely, 212397027 is an apocalyptic number.

12397027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12397027 is an equidigital number, since it uses as much as digits as its factorization.

12397027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 12397027 is about 3520.9412093927. The cubic root of 12397027 is about 231.4404059276.

The spelling of 12397027 in words is "twelve million, three hundred ninety-seven thousand, twenty-seven".