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12397417 is a prime number
BaseRepresentation
bin101111010010…
…101101101001
3212022212001121
4233102231221
511133204132
61121415241
7210243034
oct57225551
925285047
1012397417
116aa83aa
12419a521
132750b66
14190a01b
15114d497
hexbd2b69

12397417 has 2 divisors, whose sum is σ = 12397418. Its totient is φ = 12397416.

The previous prime is 12397409. The next prime is 12397453. The reversal of 12397417 is 71479321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8904256 + 3493161 = 2984^2 + 1869^2 .

It is a cyclic number.

It is not a de Polignac number, because 12397417 - 23 = 12397409 is a prime.

It is not a weakly prime, because it can be changed into another prime (12397477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6198708 + 6198709.

It is an arithmetic number, because the mean of its divisors is an integer number (6198709).

Almost surely, 212397417 is an apocalyptic number.

It is an amenable number.

12397417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12397417 is an equidigital number, since it uses as much as digits as its factorization.

12397417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 34.

The square root of 12397417 is about 3520.9965918757. The cubic root of 12397417 is about 231.4428328754.

The spelling of 12397417 in words is "twelve million, three hundred ninety-seven thousand, four hundred seventeen".