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BaseRepresentation
bin101111011001…
…010000001001
3212101012210121
4233121100021
511140033301
61122143241
7210414106
oct57312011
925335717
1012424201
117016539
1241b1b21
1327600ca
1511563a1
hexbd9409

12424201 has 2 divisors, whose sum is σ = 12424202. Its totient is φ = 12424200.

The previous prime is 12424177. The next prime is 12424231. The reversal of 12424201 is 10242421.

Adding to 12424201 its reverse (10242421), we get a palindrome (22666622).

It can be divided in two parts, 1242420 and 1, that added together give a palindrome (1242421).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12418576 + 5625 = 3524^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 12424201 - 27 = 12424073 is a prime.

It is not a weakly prime, because it can be changed into another prime (12424231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212100 + 6212101.

It is an arithmetic number, because the mean of its divisors is an integer number (6212101).

Almost surely, 212424201 is an apocalyptic number.

It is an amenable number.

12424201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12424201 is an equidigital number, since it uses as much as digits as its factorization.

12424201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 12424201 is about 3524.7980083971. The cubic root of 12424201 is about 231.6093865482.

The spelling of 12424201 in words is "twelve million, four hundred twenty-four thousand, two hundred one".