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13137671 = 41320431
BaseRepresentation
bin110010000111…
…011100000111
3220201110111102
4302013130013
511330401141
61145330315
7216445151
oct62073407
926643442
1013137671
117463588
12449699b
13294ca91
141a5dad1
15124799b
hexc87707

13137671 has 4 divisors (see below), whose sum is σ = 13458144. Its totient is φ = 12817200.

The previous prime is 13137659. The next prime is 13137673. The reversal of 13137671 is 17673131.

13137671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13137671 - 210 = 13136647 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13137673) 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, 160175 + ... + 160256.

It is an arithmetic number, because the mean of its divisors is an integer number (3364536).

Almost surely, 213137671 is an apocalyptic number.

13137671 is a deficient number, since it is larger than the sum of its proper divisors (320473).

13137671 is an equidigital number, since it uses as much as digits as its factorization.

13137671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320472.

The product of its digits is 2646, while the sum is 29.

The square root of 13137671 is about 3624.5925288231. The cubic root of 13137671 is about 235.9605830463.

The spelling of 13137671 in words is "thirteen million, one hundred thirty-seven thousand, six hundred seventy-one".

Divisors: 1 41 320431 13137671