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12357133 is a prime number
BaseRepresentation
bin101111001000…
…111000001101
3212020210210121
4233020320031
511130412013
61120504541
7210014425
oct57107015
925223717
1012357133
116a80108
12417b151
132738719
1418d9485
15114158d
hexbc8e0d

12357133 has 2 divisors, whose sum is σ = 12357134. Its totient is φ = 12357132.

The previous prime is 12357131. The next prime is 12357143. The reversal of 12357133 is 33175321.

12357133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11819844 + 537289 = 3438^2 + 733^2 .

It is a cyclic number.

It is not a de Polignac number, because 12357133 - 21 = 12357131 is a prime.

Together with 12357131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12357098 and 12357107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12357131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6178566 + 6178567.

It is an arithmetic number, because the mean of its divisors is an integer number (6178567).

Almost surely, 212357133 is an apocalyptic number.

It is an amenable number.

12357133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12357133 is an equidigital number, since it uses as much as digits as its factorization.

12357133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 25.

The square root of 12357133 is about 3515.2713977729. The cubic root of 12357133 is about 231.1918784538.

The spelling of 12357133 in words is "twelve million, three hundred fifty-seven thousand, one hundred thirty-three".