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12260011 = 29422759
BaseRepresentation
bin101110110001…
…001010101011
3212001212120111
4232301022223
511114310021
61114435151
7206131321
oct56611253
925055514
1012260011
116a14145
124132ab7
13270345a
1418b1d11
1511228e1
hexbb12ab

12260011 has 4 divisors (see below), whose sum is σ = 12682800. Its totient is φ = 11837224.

The previous prime is 12259981. The next prime is 12260033. The reversal of 12260011 is 11006221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11006221 = 23347237.

It is a cyclic number.

It is not a de Polignac number, because 12260011 - 25 = 12259979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12259973 and 12260000.

It is not an unprimeable number, because it can be changed into a prime (12260051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211351 + ... + 211408.

It is an arithmetic number, because the mean of its divisors is an integer number (3170700).

Almost surely, 212260011 is an apocalyptic number.

12260011 is a deficient number, since it is larger than the sum of its proper divisors (422789).

12260011 is an equidigital number, since it uses as much as digits as its factorization.

12260011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422788.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 12260011 is about 3501.4298507895. The cubic root of 12260011 is about 230.5845935286.

Adding to 12260011 its reverse (11006221), we get a palindrome (23266232).

The spelling of 12260011 in words is "twelve million, two hundred sixty thousand, eleven".

Divisors: 1 29 422759 12260011