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12613135 = 513271901
BaseRepresentation
bin110000000111…
…011000001111
3212201210222011
4300013120033
511212110020
61130202051
7212131663
oct60073017
925653864
1012613135
117135487
124283327
1327c80c2
1419648a3
15119235a
hexc0760f

12613135 has 8 divisors (see below), whose sum is σ = 15155136. Its totient is φ = 10077600.

The previous prime is 12613127. The next prime is 12613171. The reversal of 12613135 is 53131621.

It is a happy number.

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

It is not a de Polignac number, because 12613135 - 23 = 12613127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5685 + ... + 7585.

It is an arithmetic number, because the mean of its divisors is an integer number (1894392).

Almost surely, 212613135 is an apocalyptic number.

12613135 is a deficient number, since it is larger than the sum of its proper divisors (2542001).

12613135 is a wasteful number, since it uses less digits than its factorization.

12613135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233.

The product of its digits is 540, while the sum is 22.

The square root of 12613135 is about 3551.4975714479. The cubic root of 12613135 is about 232.7775080812. Note that the first 3 decimals are identical.

Adding to 12613135 its reverse (53131621), we get a palindrome (65744756).

The spelling of 12613135 in words is "twelve million, six hundred thirteen thousand, one hundred thirty-five".

Divisors: 1 5 1327 1901 6635 9505 2522627 12613135