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12001169 is a prime number
BaseRepresentation
bin101101110001…
…111110010001
3211120201111202
4231301332101
511033014134
61105120545
7204002555
oct55617621
924521452
1012001169
116857724
124029155
1326426ab
141845865
1510c0d7e
hexb71f91

12001169 has 2 divisors, whose sum is σ = 12001170. Its totient is φ = 12001168.

The previous prime is 12001163. The next prime is 12001177. The reversal of 12001169 is 96110021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9690769 + 2310400 = 3113^2 + 1520^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001169 - 24 = 12001153 is a prime.

It is a super-2 number, since 2×120011692 = 288056114733122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12001169.

It is not a weakly prime, because it can be changed into another prime (12001163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000584 + 6000585.

It is an arithmetic number, because the mean of its divisors is an integer number (6000585).

Almost surely, 212001169 is an apocalyptic number.

It is an amenable number.

12001169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001169 is an equidigital number, since it uses as much as digits as its factorization.

12001169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 12001169 is about 3464.2703416448. The cubic root of 12001169 is about 228.9502825523.

The spelling of 12001169 in words is "twelve million, one thousand, one hundred sixty-nine".