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13211332 = 2231106543
BaseRepresentation
bin110010011001…
…011011000100
3220212012112121
4302121123010
511340230312
61151055324
7220203001
oct62313304
926765477
1013211332
117503962
124511544
132977474
141a7c8a8
15125e707
hexc996c4

13211332 has 12 divisors (see below), whose sum is σ = 23865856. Its totient is φ = 6392520.

The previous prime is 13211323. The next prime is 13211347. The reversal of 13211332 is 23311231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53148 + ... + 53395.

Almost surely, 213211332 is an apocalyptic number.

It is an amenable number.

13211332 is a deficient number, since it is larger than the sum of its proper divisors (10654524).

13211332 is a wasteful number, since it uses less digits than its factorization.

13211332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106578 (or 106576 counting only the distinct ones).

The product of its digits is 108, while the sum is 16.

The square root of 13211332 is about 3634.7396055288. The cubic root of 13211332 is about 236.4007602259.

Adding to 13211332 its reverse (23311231), we get a palindrome (36522563).

The spelling of 13211332 in words is "thirteen million, two hundred eleven thousand, three hundred thirty-two".

Divisors: 1 2 4 31 62 124 106543 213086 426172 3302833 6605666 13211332