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12820327 = 132513929
BaseRepresentation
bin110000111001…
…111101100111
3220010100011221
4300321331213
511240222302
61134441211
7213654022
oct60717547
926110157
1012820327
117267113
124363207
13286b4c0
1419ba1b9
1511d3937
hexc39f67

12820327 has 8 divisors (see below), whose sum is σ = 13865040. Its totient is φ = 11784000.

The previous prime is 12820303. The next prime is 12820337. The reversal of 12820327 is 72302821.

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 12820327 - 223 = 4431719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12820337) 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, 1299 + ... + 5227.

It is an arithmetic number, because the mean of its divisors is an integer number (1733130).

Almost surely, 212820327 is an apocalyptic number.

12820327 is a deficient number, since it is larger than the sum of its proper divisors (1044713).

12820327 is a wasteful number, since it uses less digits than its factorization.

12820327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12820327 is about 3580.5484216807. The cubic root of 12820327 is about 234.0451796271.

The spelling of 12820327 in words is "twelve million, eight hundred twenty thousand, three hundred twenty-seven".

Divisors: 1 13 251 3263 3929 51077 986179 12820327