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12087433 is a prime number
BaseRepresentation
bin101110000111…
…000010001001
3211202002211201
4232013002021
511043244213
61111024201
7204512221
oct56070211
924662751
1012087433
116906516
12406b061
132672a37
141869081
1510db6dd
hexb87089

12087433 has 2 divisors, whose sum is σ = 12087434. Its totient is φ = 12087432.

The previous prime is 12087431. The next prime is 12087437. The reversal of 12087433 is 33478021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8277129 + 3810304 = 2877^2 + 1952^2 .

It is a cyclic number.

It is not a de Polignac number, because 12087433 - 21 = 12087431 is a prime.

It is a super-2 number, since 2×120874332 = 292212073058978, which contains 22 as substring.

Together with 12087431, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12087431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6043716 + 6043717.

It is an arithmetic number, because the mean of its divisors is an integer number (6043717).

Almost surely, 212087433 is an apocalyptic number.

It is an amenable number.

12087433 is a deficient number, since it is larger than the sum of its proper divisors (1).

12087433 is an equidigital number, since it uses as much as digits as its factorization.

12087433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 12087433 is about 3476.6985776739. The cubic root of 12087433 is about 229.4975357425.

The spelling of 12087433 in words is "twelve million, eighty-seven thousand, four hundred thirty-three".