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12481061 is a prime number
BaseRepresentation
bin101111100111…
…001000100101
3212111002210112
4233213020211
511143343221
61123302405
7211041635
oct57471045
925432715
1012481061
11705522a
12421aa05
13277cc58
14192c6c5
15116815b
hexbe7225

12481061 has 2 divisors, whose sum is σ = 12481062. Its totient is φ = 12481060.

The previous prime is 12481057. The next prime is 12481067. The reversal of 12481061 is 16018421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10764961 + 1716100 = 3281^2 + 1310^2 .

It is a cyclic number.

It is not a de Polignac number, because 12481061 - 22 = 12481057 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 (12481067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6240530 + 6240531.

It is an arithmetic number, because the mean of its divisors is an integer number (6240531).

Almost surely, 212481061 is an apocalyptic number.

It is an amenable number.

12481061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12481061 is an equidigital number, since it uses as much as digits as its factorization.

12481061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 12481061 is about 3532.8545115813. The cubic root of 12481061 is about 231.9621730341.

Adding to 12481061 its reverse (16018421), we get a palindrome (28499482).

The spelling of 12481061 in words is "twelve million, four hundred eighty-one thousand, sixty-one".