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13302017 = 19976661
BaseRepresentation
bin110010101111…
…100100000001
3221000210221022
4302233210001
511401131032
61153035225
7221031251
oct62574401
927023838
1013302017
117566003
124555b15
1329a9821
141aa3961
15127b512
hexcaf901

13302017 has 4 divisors (see below), whose sum is σ = 13310676. Its totient is φ = 13293360.

The previous prime is 13302011. The next prime is 13302019. The reversal of 13302017 is 71020331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6071296 + 7230721 = 2464^2 + 2689^2 .

It is a cyclic number.

It is not a de Polignac number, because 13302017 - 214 = 13285633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13301986 and 13302004.

It is not an unprimeable number, because it can be changed into a prime (13302011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1334 + ... + 5327.

It is an arithmetic number, because the mean of its divisors is an integer number (3327669).

Almost surely, 213302017 is an apocalyptic number.

It is an amenable number.

13302017 is a deficient number, since it is larger than the sum of its proper divisors (8659).

13302017 is an equidigital number, since it uses as much as digits as its factorization.

13302017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8658.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 13302017 is about 3647.1930302631. The cubic root of 13302017 is about 236.9404266700.

Adding to 13302017 its reverse (71020331), we get a palindrome (84322348).

The spelling of 13302017 in words is "thirteen million, three hundred two thousand, seventeen".

Divisors: 1 1997 6661 13302017