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12119197 is a prime number
BaseRepresentation
bin101110001110…
…110010011101
3211210201102011
4232032302131
511100303242
61111431221
7205003636
oct56166235
924721364
1012119197
116928372
124085511
13268432c
14187688d
1510e5d17
hexb8ec9d

12119197 has 2 divisors, whose sum is σ = 12119198. Its totient is φ = 12119196.

The previous prime is 12119123. The next prime is 12119221. The reversal of 12119197 is 79191121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9603801 + 2515396 = 3099^2 + 1586^2 .

It is a cyclic number.

It is not a de Polignac number, because 12119197 - 27 = 12119069 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12119797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059598 + 6059599.

It is an arithmetic number, because the mean of its divisors is an integer number (6059599).

Almost surely, 212119197 is an apocalyptic number.

It is an amenable number.

12119197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12119197 is an equidigital number, since it uses as much as digits as its factorization.

12119197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 31.

The square root of 12119197 is about 3481.2637073339. The cubic root of 12119197 is about 229.6983885223.

The spelling of 12119197 in words is "twelve million, one hundred nineteen thousand, one hundred ninety-seven".