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12732006 = 237303143
BaseRepresentation
bin110000100100…
…011001100110
3212221212000210
4300210121212
511224411011
61132520250
7213135360
oct60443146
925855023
1012732006
117206821
124320086
13283a241
141995d30
1511b76a6
hexc24666

12732006 has 16 divisors (see below), whose sum is σ = 29101824. Its totient is φ = 3637704.

The previous prime is 12732001. The next prime is 12732007. The reversal of 12732006 is 60023721.

12732006 = T604 + T605 + ... + T666.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12732001) 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, 151530 + ... + 151613.

It is an arithmetic number, because the mean of its divisors is an integer number (1818864).

Almost surely, 212732006 is an apocalyptic number.

12732006 is an abundant number, since it is smaller than the sum of its proper divisors (16369818).

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

12732006 is a wasteful number, since it uses less digits than its factorization.

12732006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303155.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12732006 is about 3568.1936606636. The cubic root of 12732006 is about 233.5064841757.

Adding to 12732006 its reverse (60023721), we get a palindrome (72755727).

The spelling of 12732006 in words is "twelve million, seven hundred thirty-two thousand, six".

Divisors: 1 2 3 6 7 14 21 42 303143 606286 909429 1818858 2122001 4244002 6366003 12732006