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12001697 is a prime number
BaseRepresentation
bin101101110010…
…000110100001
3211120202020022
4231302012201
511033023242
61105123225
7204004241
oct55620641
924522208
1012001697
116858064
124029515
1326429c6
141845b21
1510c10d2
hexb721a1

12001697 has 2 divisors, whose sum is σ = 12001698. Its totient is φ = 12001696.

The previous prime is 12001667. The next prime is 12001709. The reversal of 12001697 is 79610021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11999296 + 2401 = 3464^2 + 49^2 .

It is an emirp because it is prime and its reverse (79610021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12001697 - 210 = 12000673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12001667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000848 + 6000849.

It is an arithmetic number, because the mean of its divisors is an integer number (6000849).

Almost surely, 212001697 is an apocalyptic number.

It is an amenable number.

12001697 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001697 is an equidigital number, since it uses as much as digits as its factorization.

12001697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 12001697 is about 3464.3465473304. The cubic root of 12001697 is about 228.9536401135.

The spelling of 12001697 in words is "twelve million, one thousand, six hundred ninety-seven".