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12113489 is a prime number
BaseRepresentation
bin101110001101…
…011001010001
3211210102120202
4232031121101
511100112424
61111344545
7204651203
oct56153121
924712522
1012113489
116924053
124082155
13268185b
141874773
1510e42ae
hexb8d651

12113489 has 2 divisors, whose sum is σ = 12113490. Its totient is φ = 12113488.

The previous prime is 12113483. The next prime is 12113527. The reversal of 12113489 is 98431121.

12113489 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., 9579025 + 2534464 = 3095^2 + 1592^2 .

It is an emirp because it is prime and its reverse (98431121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12113489 - 24 = 12113473 is a prime.

It is not a weakly prime, because it can be changed into another prime (12113483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056744 + 6056745.

It is an arithmetic number, because the mean of its divisors is an integer number (6056745).

Almost surely, 212113489 is an apocalyptic number.

It is an amenable number.

12113489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12113489 is an equidigital number, since it uses as much as digits as its factorization.

12113489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 29.

The square root of 12113489 is about 3480.4437935413. The cubic root of 12113489 is about 229.6623211081.

The spelling of 12113489 in words is "twelve million, one hundred thirteen thousand, four hundred eighty-nine".