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11217061 is a prime number
BaseRepresentation
bin101010110010…
…100010100101
3210002212220201
4222302202211
510332421221
61040230501
7164225542
oct52624245
923085821
1011217061
1163715a9
12390b431
13242981b
1416bdbc9
15eb8891
hexab28a5

11217061 has 2 divisors, whose sum is σ = 11217062. Its totient is φ = 11217060.

The previous prime is 11217047. The next prime is 11217091. The reversal of 11217061 is 16071211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8444836 + 2772225 = 2906^2 + 1665^2 .

It is a cyclic number.

It is not a de Polignac number, because 11217061 - 221 = 9119909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11217001) 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, 5608530 + 5608531.

It is an arithmetic number, because the mean of its divisors is an integer number (5608531).

Almost surely, 211217061 is an apocalyptic number.

It is an amenable number.

11217061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11217061 is an equidigital number, since it uses as much as digits as its factorization.

11217061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 11217061 is about 3349.1881105725. The cubic root of 11217061 is about 223.8513376365.

Adding to 11217061 its reverse (16071211), we get a palindrome (27288272).

The spelling of 11217061 in words is "eleven million, two hundred seventeen thousand, sixty-one".