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13272726 = 234395039
BaseRepresentation
bin110010101000…
…011010010110
3220222022202110
4302220122112
511344211401
61152251450
7220546665
oct62503226
926868673
1013272726
117545aa5
124540b86
1329993ac
141a96ddc
1512729d6
hexca8696

13272726 has 16 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 4413288.

The previous prime is 13272719. The next prime is 13272757. The reversal of 13272726 is 62727231.

It is a junction number, because it is equal to n+sod(n) for n = 13272693 and 13272702.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 115 + ... + 5153.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 213272726 is an apocalyptic number.

13272726 is an abundant number, since it is smaller than the sum of its proper divisors (13338474).

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

13272726 is a wasteful number, since it uses less digits than its factorization.

13272726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483.

The product of its digits is 7056, while the sum is 30.

The square root of 13272726 is about 3643.1752634206. The cubic root of 13272726 is about 236.7663848338.

Adding to 13272726 its reverse (62727231), we get a palindrome (75999957).

The spelling of 13272726 in words is "thirteen million, two hundred seventy-two thousand, seven hundred twenty-six".

Divisors: 1 2 3 6 439 878 1317 2634 5039 10078 15117 30234 2212121 4424242 6636363 13272726