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12260055 = 35817337
BaseRepresentation
bin101110110001…
…001011010111
3212001212122010
4232301023113
511114310210
61114435303
7206131413
oct56611327
925055563
1012260055
116a14185
124132b33
132703492
1418b1d43
151122920
hexbb12d7

12260055 has 8 divisors (see below), whose sum is σ = 19616112. Its totient is φ = 6538688.

The previous prime is 12260051. The next prime is 12260057. The reversal of 12260055 is 55006221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12260055 - 22 = 12260051 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408654 + ... + 408683.

It is an arithmetic number, because the mean of its divisors is an integer number (2452014).

Almost surely, 212260055 is an apocalyptic number.

12260055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12260055 is a deficient number, since it is larger than the sum of its proper divisors (7356057).

12260055 is an equidigital number, since it uses as much as digits as its factorization.

12260055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817345.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12260055 is about 3501.4361339313. The cubic root of 12260055 is about 230.5848693770.

Adding to 12260055 its reverse (55006221), we get a palindrome (67266276).

The spelling of 12260055 in words is "twelve million, two hundred sixty thousand, fifty-five".

Divisors: 1 3 5 15 817337 2452011 4086685 12260055