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12201324 = 2231016777
BaseRepresentation
bin101110100010…
…110101101100
3211221220001220
4232202311230
511110420244
61113303340
7205465242
oct56426554
924856056
1012201324
116984043
124104b50
1326b2825
141898792
151110319
hexba2d6c

12201324 has 12 divisors (see below), whose sum is σ = 28469784. Its totient is φ = 4067104.

The previous prime is 12201323. The next prime is 12201331. The reversal of 12201324 is 42310221.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (12201323) 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, 508377 + ... + 508400.

It is an arithmetic number, because the mean of its divisors is an integer number (2372482).

Almost surely, 212201324 is an apocalyptic number.

It is an amenable number.

12201324 is an abundant number, since it is smaller than the sum of its proper divisors (16268460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12201324 is a wasteful number, since it uses less digits than its factorization.

12201324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016784 (or 1016782 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12201324 is about 3493.0393642214. The cubic root of 12201324 is about 230.2160792291.

Adding to 12201324 its reverse (42310221), we get a palindrome (54511545).

The spelling of 12201324 in words is "twelve million, two hundred one thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 1016777 2033554 3050331 4067108 6100662 12201324