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13135814 = 237177511
BaseRepresentation
bin110010000110…
…111111000110
3220201100221122
4302012333012
511330321224
61145313542
7216436556
oct62067706
926640848
1013135814
11746214a
1244958b2
13294bc93
141a5d166
15124715e
hexc86fc6

13135814 has 8 divisors (see below), whose sum is σ = 20236368. Its totient is φ = 6390360.

The previous prime is 13135813. The next prime is 13135823. The reversal of 13135814 is 41853131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135813) 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 3 ways as a sum of consecutive naturals, for example, 88682 + ... + 88829.

It is an arithmetic number, because the mean of its divisors is an integer number (2529546).

Almost surely, 213135814 is an apocalyptic number.

13135814 is a deficient number, since it is larger than the sum of its proper divisors (7100554).

13135814 is a wasteful number, since it uses less digits than its factorization.

13135814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177550.

The product of its digits is 1440, while the sum is 26.

The square root of 13135814 is about 3624.3363530445. The cubic root of 13135814 is about 235.9494649050.

Adding to 13135814 its reverse (41853131), we get a palindrome (54988945).

The spelling of 13135814 in words is "thirteen million, one hundred thirty-five thousand, eight hundred fourteen".

Divisors: 1 2 37 74 177511 355022 6567907 13135814