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13957713 = 3271121831
BaseRepresentation
bin110101001111…
…101001010001
3222021010101100
4311033221101
512033121323
61215055013
7226432020
oct65175121
928233340
1013957713
117973700
124811469
132b79103
141bd48b7
15135a943
hexd4fa51

13957713 has 36 divisors (see below), whose sum is σ = 25340224. Its totient is φ = 7246800.

The previous prime is 13957703. The next prime is 13957721. The reversal of 13957713 is 31775931.

It is not a de Polignac number, because 13957713 - 26 = 13957649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13957703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6708 + ... + 8538.

Almost surely, 213957713 is an apocalyptic number.

It is an amenable number.

13957713 is a deficient number, since it is larger than the sum of its proper divisors (11382511).

13957713 is a wasteful number, since it uses less digits than its factorization.

13957713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 1852 counting only the distinct ones).

The product of its digits is 19845, while the sum is 36.

The square root of 13957713 is about 3736.0022751599. The cubic root of 13957713 is about 240.7713205304.

The spelling of 13957713 in words is "thirteen million, nine hundred fifty-seven thousand, seven hundred thirteen".

Divisors: 1 3 7 9 11 21 33 63 77 99 121 231 363 693 847 1089 1831 2541 5493 7623 12817 16479 20141 38451 60423 115353 140987 181269 221551 422961 664653 1268883 1550857 1993959 4652571 13957713