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11073 = 33691
BaseRepresentation
bin10101101000001
3120012010
42231001
5323243
6123133
744166
oct25501
916163
1011073
118357
1264a9
13506a
14406d
153433
hex2b41

11073 has 4 divisors (see below), whose sum is σ = 14768. Its totient is φ = 7380.

The previous prime is 11071. The next prime is 11083. The reversal of 11073 is 37011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11073 - 21 = 11071 is a prime.

It is a super-2 number, since 2×110732 = 245222658, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

11073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (11071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1843 + ... + 1848.

It is an arithmetic number, because the mean of its divisors is an integer number (3692).

211073 is an apocalyptic number.

It is an amenable number.

11073 is a deficient number, since it is larger than the sum of its proper divisors (3695).

11073 is an equidigital number, since it uses as much as digits as its factorization.

11073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694.

The product of its (nonzero) digits is 21, while the sum is 12.

The square root of 11073 is about 105.2283231834. The cubic root of 11073 is about 22.2888896105.

Adding to 11073 its reverse (37011), we get a palindrome (48084).

It can be divided in two parts, 1107 and 3, that multiplied together give a triangular number (3321 = T81).

The spelling of 11073 in words is "eleven thousand, seventy-three", and thus it is an iban number.

Divisors: 1 3 3691 11073