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13313686 = 217391579
BaseRepresentation
bin110010110010…
…011010010110
3221001101221111
4302302122112
511402014221
61153205234
7221110261
oct62623226
927041844
1013313686
117573851
12456081a
1329b1c29
141aa7cd8
15127ebe1
hexcb2696

13313686 has 8 divisors (see below), whose sum is σ = 21145320. Its totient is φ = 6265248.

The previous prime is 13313681. The next prime is 13313687. The reversal of 13313686 is 68631331.

13313686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195756 + ... + 195823.

It is an arithmetic number, because the mean of its divisors is an integer number (2643165).

Almost surely, 213313686 is an apocalyptic number.

13313686 is a deficient number, since it is larger than the sum of its proper divisors (7831634).

13313686 is a wasteful number, since it uses less digits than its factorization.

13313686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391598.

The product of its digits is 7776, while the sum is 31.

The square root of 13313686 is about 3648.7924029739. The cubic root of 13313686 is about 237.0096905958.

The spelling of 13313686 in words is "thirteen million, three hundred thirteen thousand, six hundred eighty-six".

Divisors: 1 2 17 34 391579 783158 6656843 13313686