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13727311 = 131055947
BaseRepresentation
bin110100010111…
…011001001111
3221211102022221
4310113121033
512003233221
61210120211
7224452213
oct64273117
927742287
1013727311
117826594
124720067
132ac8290
141b74943
151312541
hexd1764f

13727311 has 4 divisors (see below), whose sum is σ = 14783272. Its totient is φ = 12671352.

The previous prime is 13727299. The next prime is 13727321. The reversal of 13727311 is 11372731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11372731 = 47241973.

It is a cyclic number.

It is not a de Polignac number, because 13727311 - 27 = 13727183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13727321) 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, 527961 + ... + 527986.

It is an arithmetic number, because the mean of its divisors is an integer number (3695818).

Almost surely, 213727311 is an apocalyptic number.

13727311 is a deficient number, since it is larger than the sum of its proper divisors (1055961).

13727311 is a wasteful number, since it uses less digits than its factorization.

13727311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055960.

The product of its digits is 882, while the sum is 25.

The square root of 13727311 is about 3705.0385962902. The cubic root of 13727311 is about 239.4391475491.

The spelling of 13727311 in words is "thirteen million, seven hundred twenty-seven thousand, three hundred eleven".

Divisors: 1 13 1055947 13727311