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13056726 = 232176121
BaseRepresentation
bin110001110011…
…101011010110
3220120100110110
4301303223112
511320303401
61143503450
7215660154
oct61635326
926510413
1013056726
117408791
124457b86
132921c97
141a3c3d4
15122d9d6
hexc73ad6

13056726 has 8 divisors (see below), whose sum is σ = 26113464. Its totient is φ = 4352240.

The previous prime is 13056691. The next prime is 13056749. The reversal of 13056726 is 62765031.

It is a sphenic number, since it is the product of 3 distinct primes.

13056726 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13056693 and 13056702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088055 + ... + 1088066.

It is an arithmetic number, because the mean of its divisors is an integer number (3264183).

Almost surely, 213056726 is an apocalyptic number.

13056726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13056726 is a wasteful number, since it uses less digits than its factorization.

13056726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176126.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 13056726 is about 3613.4091935456. The cubic root of 13056726 is about 235.4749771692.

The spelling of 13056726 in words is "thirteen million, fifty-six thousand, seven hundred twenty-six".

Divisors: 1 2 3 6 2176121 4352242 6528363 13056726