Search a number
-
+
12402011 is a prime number
BaseRepresentation
bin101111010011…
…110101011011
3212100002100202
4233103311123
511133331021
61121452415
7210262316
oct57236533
925302322
1012402011
1170008a6
1241a110b
132752c8b
14190b97d
15114ea0b
hexbd3d5b

12402011 has 2 divisors, whose sum is σ = 12402012. Its totient is φ = 12402010.

The previous prime is 12402007. The next prime is 12402023. The reversal of 12402011 is 11020421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12402011 - 22 = 12402007 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12401983 and 12402001.

It is not a weakly prime, because it can be changed into another prime (12402311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201005 + 6201006.

It is an arithmetic number, because the mean of its divisors is an integer number (6201006).

Almost surely, 212402011 is an apocalyptic number.

12402011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12402011 is an equidigital number, since it uses as much as digits as its factorization.

12402011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 12402011 is about 3521.6489035678. The cubic root of 12402011 is about 231.4714172456.

Adding to 12402011 its reverse (11020421), we get a palindrome (23422432).

The spelling of 12402011 in words is "twelve million, four hundred two thousand, eleven".