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11207 = 71601
BaseRepresentation
bin10101111000111
3120101002
42233013
5324312
6123515
744450
oct25707
916332
1011207
118469
12659b
135141
144127
1534c2
hex2bc7

11207 has 4 divisors (see below), whose sum is σ = 12816. Its totient is φ = 9600.

The previous prime is 11197. The next prime is 11213. The reversal of 11207 is 70211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70211 = 611151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11257) 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, 794 + ... + 807.

It is an arithmetic number, because the mean of its divisors is an integer number (3204).

211207 is an apocalyptic number.

11207 is a deficient number, since it is larger than the sum of its proper divisors (1609).

11207 is an equidigital number, since it uses as much as digits as its factorization.

11207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608.

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 11207 is about 105.8631191681. The cubic root of 11207 is about 22.3784390748.

Adding to 11207 its reverse (70211), we get a palindrome (81418).

The spelling of 11207 in words is "eleven thousand, two hundred seven", and thus it is an iban number.

Divisors: 1 7 1601 11207