Search a number
-
+
13201318 = 213507743
BaseRepresentation
bin110010010110…
…111110100110
3220211200210201
4302112332212
511334420233
61150541114
7220131544
oct62267646
926750721
1013201318
1174a7389
12450779a
132972a40
141a78d94
15125b77d
hexc96fa6

13201318 has 8 divisors (see below), whose sum is σ = 21325248. Its totient is φ = 6092904.

The previous prime is 13201291. The next prime is 13201327. The reversal of 13201318 is 81310231.

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

It is a junction number, because it is equal to n+sod(n) for n = 13201295 and 13201304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253846 + ... + 253897.

It is an arithmetic number, because the mean of its divisors is an integer number (2665656).

Almost surely, 213201318 is an apocalyptic number.

13201318 is a deficient number, since it is larger than the sum of its proper divisors (8123930).

13201318 is a wasteful number, since it uses less digits than its factorization.

13201318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507758.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 13201318 is about 3633.3618041698. The cubic root of 13201318 is about 236.3410156674.

Adding to 13201318 its reverse (81310231), we get a palindrome (94511549).

The spelling of 13201318 in words is "thirteen million, two hundred one thousand, three hundred eighteen".

Divisors: 1 2 13 26 507743 1015486 6600659 13201318