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11001013 is a prime number
BaseRepresentation
bin101001111101…
…110010110101
3202200220112221
4221331302311
510304013023
61031442341
7162335632
oct51756265
922626487
1011001013
116234251
1238263b1
13238239a
141665189
15e7485d
hexa7dcb5

11001013 has 2 divisors, whose sum is σ = 11001014. Its totient is φ = 11001012.

The previous prime is 11001007. The next prime is 11001031. The reversal of 11001013 is 31010011.

It is a happy number.

Together with next prime (11001031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10909809 + 91204 = 3303^2 + 302^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001013 - 217 = 10869941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11000987 and 11001005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500506 + 5500507.

It is an arithmetic number, because the mean of its divisors is an integer number (5500507).

Almost surely, 211001013 is an apocalyptic number.

It is an amenable number.

11001013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001013 is an equidigital number, since it uses as much as digits as its factorization.

11001013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3, while the sum is 7.

The square root of 11001013 is about 3316.7775023357. Note that the first 3 decimals coincide. The cubic root of 11001013 is about 222.4048357923.

Adding to 11001013 its reverse (31010011), we get a palindrome (42011024).

The spelling of 11001013 in words is "eleven million, one thousand, thirteen".