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12011471 is a prime number
BaseRepresentation
bin101101110100…
…011111001111
3211121020122022
4231310133033
511033331341
61105240355
7204044603
oct55643717
924536568
1012011471
11686443a
1240330bb
1326472a4
141849503
1510c3e4b
hexb747cf

12011471 has 2 divisors, whose sum is σ = 12011472. Its totient is φ = 12011470.

The previous prime is 12011459. The next prime is 12011501. The reversal of 12011471 is 17411021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12011471 - 210 = 12010447 is a prime.

It is a super-3 number, since 3×120114713 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005735 + 6005736.

It is an arithmetic number, because the mean of its divisors is an integer number (6005736).

Almost surely, 212011471 is an apocalyptic number.

12011471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011471 is an equidigital number, since it uses as much as digits as its factorization.

12011471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 12011471 is about 3465.7569158843. The cubic root of 12011471 is about 229.0157753731.

Adding to 12011471 its reverse (17411021), we get a palindrome (29422492).

It can be divided in two parts, 1201 and 1471, that multiplied together give a palindrome (1766671).

The spelling of 12011471 in words is "twelve million, eleven thousand, four hundred seventy-one".