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13789713 = 374315271
BaseRepresentation
bin110100100110…
…101000010001
3221221120221010
4310212220101
512012232323
61211321133
7225132150
oct64465021
927846833
1013789713
117869463
1247501a9
132b1a7c2
141b8d597
151325c93
hexd26a11

13789713 has 16 divisors (see below), whose sum is σ = 21502976. Its totient is φ = 7696080.

The previous prime is 13789697. The next prime is 13789733. The reversal of 13789713 is 31798731.

It is a happy number.

It is not a de Polignac number, because 13789713 - 24 = 13789697 is a prime.

It is a super-3 number, since 3×137897133 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13789733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6733 + ... + 8538.

It is an arithmetic number, because the mean of its divisors is an integer number (1343936).

Almost surely, 213789713 is an apocalyptic number.

It is an amenable number.

13789713 is a deficient number, since it is larger than the sum of its proper divisors (7713263).

13789713 is a wasteful number, since it uses less digits than its factorization.

13789713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15324.

The product of its digits is 31752, while the sum is 39.

The square root of 13789713 is about 3713.4502824193. The cubic root of 13789713 is about 239.8014155907.

The spelling of 13789713 in words is "thirteen million, seven hundred eighty-nine thousand, seven hundred thirteen".

Divisors: 1 3 7 21 43 129 301 903 15271 45813 106897 320691 656653 1969959 4596571 13789713