Search a number
-
+
13305297 = 34679497
BaseRepresentation
bin110010110000…
…010111010001
3221000222102210
4302300113101
511401232142
61153102333
7221043645
oct62602721
927028383
1013305297
117568515
1245579a9
1329ab175
141aa4c25
15127c49c
hexcb05d1

13305297 has 8 divisors (see below), whose sum is σ = 17780256. Its totient is φ = 8850272.

The previous prime is 13305241. The next prime is 13305307. The reversal of 13305297 is 79250331.

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 13305297 - 28 = 13305041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13305697) 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 7 ways as a sum of consecutive naturals, for example, 3348 + ... + 6149.

It is an arithmetic number, because the mean of its divisors is an integer number (2222532).

Almost surely, 213305297 is an apocalyptic number.

It is an amenable number.

13305297 is a deficient number, since it is larger than the sum of its proper divisors (4474959).

13305297 is an equidigital number, since it uses as much as digits as its factorization.

13305297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9967.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 13305297 is about 3647.6426634198. The cubic root of 13305297 is about 236.9598999256.

The spelling of 13305297 in words is "thirteen million, three hundred five thousand, two hundred ninety-seven".

Divisors: 1 3 467 1401 9497 28491 4435099 13305297