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13072326 = 232394727
BaseRepresentation
bin110001110111…
…011111000110
3220121010212020
4301313133012
511321303301
61144104010
7216053511
oct61673706
926533766
1013072326
117419483
124465006
132929107
141a43d78
151233436
hexc777c6

13072326 has 16 divisors (see below), whose sum is σ = 27281664. Its totient is φ = 4167944.

The previous prime is 13072321. The next prime is 13072327. The reversal of 13072326 is 62327031.

It is a junction number, because it is equal to n+sod(n) for n = 13072296 and 13072305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13072321) 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, 47226 + ... + 47501.

It is an arithmetic number, because the mean of its divisors is an integer number (1705104).

Almost surely, 213072326 is an apocalyptic number.

13072326 is an abundant number, since it is smaller than the sum of its proper divisors (14209338).

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

13072326 is a wasteful number, since it uses less digits than its factorization.

13072326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94755.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 13072326 is about 3615.5671754235. The cubic root of 13072326 is about 235.5687206195.

Adding to 13072326 its reverse (62327031), we get a palindrome (75399357).

The spelling of 13072326 in words is "thirteen million, seventy-two thousand, three hundred twenty-six".

Divisors: 1 2 3 6 23 46 69 138 94727 189454 284181 568362 2178721 4357442 6536163 13072326