Search a number
-
+
13200811 = 134124767
BaseRepresentation
bin110010010110…
…110110101011
3220211200002221
4302112312223
511334411221
61150534511
7220130221
oct62266653
926750087
1013200811
1174a6a68
124507437
132972740
141a78b11
15125b541
hexc96dab

13200811 has 8 divisors (see below), whose sum is σ = 14563584. Its totient is φ = 11887680.

The previous prime is 13200797. The next prime is 13200833. The reversal of 13200811 is 11800231.

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 13200811 - 25 = 13200779 is a prime.

It is a super-2 number, since 2×132008112 = 348522822115442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13200841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11851 + ... + 12916.

It is an arithmetic number, because the mean of its divisors is an integer number (1820448).

Almost surely, 213200811 is an apocalyptic number.

13200811 is a deficient number, since it is larger than the sum of its proper divisors (1362773).

13200811 is a wasteful number, since it uses less digits than its factorization.

13200811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24821.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 13200811 is about 3633.2920334044. The cubic root of 13200811 is about 236.3379900496.

The spelling of 13200811 in words is "thirteen million, two hundred thousand, eight hundred eleven".

Divisors: 1 13 41 533 24767 321971 1015447 13200811