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12513353 = 531791319
BaseRepresentation
bin101111101111…
…000001001001
3212112202002112
4233233001021
511200411403
61124112105
7211235036
oct57570111
925482075
1012513353
117077516
124235635
132791868
14193a38d
1511729d8
hexbef049

12513353 has 8 divisors (see below), whose sum is σ = 12830400. Its totient is φ = 12199408.

The previous prime is 12513349. The next prime is 12513373. The reversal of 12513353 is 35331521.

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

It is a cyclic number.

It is not a de Polignac number, because 12513353 - 22 = 12513349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12513373) 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 7 ways as a sum of consecutive naturals, for example, 8828 + ... + 10146.

It is an arithmetic number, because the mean of its divisors is an integer number (1603800).

Almost surely, 212513353 is an apocalyptic number.

It is an amenable number.

12513353 is a deficient number, since it is larger than the sum of its proper divisors (317047).

12513353 is a wasteful number, since it uses less digits than its factorization.

12513353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551.

The product of its digits is 1350, while the sum is 23.

The square root of 12513353 is about 3537.4218012558. The cubic root of 12513353 is about 232.1620511196.

Adding to 12513353 its reverse (35331521), we get a palindrome (47844874).

The spelling of 12513353 in words is "twelve million, five hundred thirteen thousand, three hundred fifty-three".

Divisors: 1 53 179 1319 9487 69907 236101 12513353