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12394133 is a prime number
BaseRepresentation
bin101111010001…
…111010010101
3212022200112222
4233101322111
511133103013
61121352125
7210230333
oct57217225
925280488
1012394133
116aa5994
124198645
13274c50b
141908b53
15114c508
hexbd1e95

12394133 has 2 divisors, whose sum is σ = 12394134. Its totient is φ = 12394132.

The previous prime is 12394121. The next prime is 12394153. The reversal of 12394133 is 33149321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7628644 + 4765489 = 2762^2 + 2183^2 .

It is an emirp because it is prime and its reverse (33149321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12394133 - 28 = 12393877 is a prime.

It is a super-2 number, since 2×123941332 = 307229065643378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12394153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6197066 + 6197067.

It is an arithmetic number, because the mean of its divisors is an integer number (6197067).

Almost surely, 212394133 is an apocalyptic number.

It is an amenable number.

12394133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12394133 is an equidigital number, since it uses as much as digits as its factorization.

12394133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 12394133 is about 3520.5302157488. The cubic root of 12394133 is about 231.4223951400.

The spelling of 12394133 in words is "twelve million, three hundred ninety-four thousand, one hundred thirty-three".