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13260211 = 431132729
BaseRepresentation
bin110010100101…
…010110110011
3220221200120221
4302211112303
511343311321
61152113511
7220465336
oct62452663
926850527
1013260211
117537658
124535897
1329937a3
141a9261d
15126de41
hexca55b3

13260211 has 8 divisors (see below), whose sum is σ = 13693680. Its totient is φ = 12832512.

The previous prime is 13260209. The next prime is 13260217. The reversal of 13260211 is 11206231.

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 13260211 - 21 = 13260209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13260217) 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, 3495 + ... + 6223.

It is an arithmetic number, because the mean of its divisors is an integer number (1711710).

Almost surely, 213260211 is an apocalyptic number.

13260211 is a deficient number, since it is larger than the sum of its proper divisors (433469).

13260211 is a wasteful number, since it uses less digits than its factorization.

13260211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 13260211 is about 3641.4572632395. The cubic root of 13260211 is about 236.6919448853.

Adding to 13260211 its reverse (11206231), we get a palindrome (24466442).

The spelling of 13260211 in words is "thirteen million, two hundred sixty thousand, two hundred eleven".

Divisors: 1 43 113 2729 4859 117347 308377 13260211