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13003117 = 28034639
BaseRepresentation
bin110001100110…
…100101101101
3220110121220221
4301212211231
511312044432
61142411341
7215344651
oct61464555
926417827
1013003117
117381486
124430b51
13290376a
141a26a61
15121cb97
hexc6696d

13003117 has 4 divisors (see below), whose sum is σ = 13010560. Its totient is φ = 12995676.

The previous prime is 13003099. The next prime is 13003127. The reversal of 13003117 is 71130031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71130031 = 710161433.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13003117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13003117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003127) 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, 484 + ... + 5122.

It is an arithmetic number, because the mean of its divisors is an integer number (3252640).

Almost surely, 213003117 is an apocalyptic number.

It is an amenable number.

13003117 is a deficient number, since it is larger than the sum of its proper divisors (7443).

13003117 is an equidigital number, since it uses as much as digits as its factorization.

13003117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7442.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 13003117 is about 3605.9834996849. The cubic root of 13003117 is about 235.1522598606.

Adding to 13003117 its reverse (71130031), we get a palindrome (84133148).

The spelling of 13003117 in words is "thirteen million, three thousand, one hundred seventeen".

Divisors: 1 2803 4639 13003117