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12424481 is a prime number
BaseRepresentation
bin101111011001…
…010100100001
3212101020011222
4233121110201
511140040411
61122144425
7210414656
oct57312441
925336158
1012424481
117016773
1241b2115
132760284
141915c2d
1511564db
hexbd9521

12424481 has 2 divisors, whose sum is σ = 12424482. Its totient is φ = 12424480.

The previous prime is 12424471. The next prime is 12424487. The reversal of 12424481 is 18442421.

12424481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12138256 + 286225 = 3484^2 + 535^2 .

It is an emirp because it is prime and its reverse (18442421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12424481 - 210 = 12423457 is a prime.

It is a super-2 number, since 2×124244812 = 308735456238722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12424481.

It is not a weakly prime, because it can be changed into another prime (12424487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212240 + 6212241.

It is an arithmetic number, because the mean of its divisors is an integer number (6212241).

Almost surely, 212424481 is an apocalyptic number.

It is an amenable number.

12424481 is a deficient number, since it is larger than the sum of its proper divisors (1).

12424481 is an equidigital number, since it uses as much as digits as its factorization.

12424481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 26.

The square root of 12424481 is about 3524.8377267613. The cubic root of 12424481 is about 231.6111264358.

The spelling of 12424481 in words is "twelve million, four hundred twenty-four thousand, four hundred eighty-one".