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13717471 is a prime number
BaseRepresentation
bin110100010100…
…111111011111
3221210220211111
4310110333133
512002424341
61210002451
7224411425
oct64247737
927726744
1013717471
11781a159
124716427
132ac3961
141b71115
15130e681
hexd14fdf

13717471 has 2 divisors, whose sum is σ = 13717472. Its totient is φ = 13717470.

The previous prime is 13717439. The next prime is 13717489. The reversal of 13717471 is 17471731.

It is a strong prime.

It is an emirp because it is prime and its reverse (17471731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13717471 - 25 = 13717439 is a prime.

It is a super-3 number, since 3×137174713 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13747471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6858735 + 6858736.

It is an arithmetic number, because the mean of its divisors is an integer number (6858736).

Almost surely, 213717471 is an apocalyptic number.

13717471 is a deficient number, since it is larger than the sum of its proper divisors (1).

13717471 is an equidigital number, since it uses as much as digits as its factorization.

13717471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4116, while the sum is 31.

The square root of 13717471 is about 3703.7104368457. The cubic root of 13717471 is about 239.3819223480.

The spelling of 13717471 in words is "thirteen million, seven hundred seventeen thousand, four hundred seventy-one".