Search a number
-
+
13108801 = 71184631
BaseRepresentation
bin110010000000…
…011001000001
3220122222220011
4302000121001
511323440201
61144544521
7216265036
oct62003101
926588804
1013108801
117443922
124482141
13293c8b4
141a5338d
15123e151
hexc80641

13108801 has 4 divisors (see below), whose sum is σ = 13293504. Its totient is φ = 12924100.

The previous prime is 13108787. The next prime is 13108811. The reversal of 13108801 is 10880131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10880131 = 59184409.

It is a cyclic number.

It is not a de Polignac number, because 13108801 - 215 = 13076033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13108811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92245 + ... + 92386.

It is an arithmetic number, because the mean of its divisors is an integer number (3323376).

Almost surely, 213108801 is an apocalyptic number.

It is an amenable number.

13108801 is a deficient number, since it is larger than the sum of its proper divisors (184703).

13108801 is an equidigital number, since it uses as much as digits as its factorization.

13108801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184702.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 13108801 is about 3620.6078218995. The cubic root of 13108801 is about 235.7876153503.

Adding to 13108801 its reverse (10880131), we get a palindrome (23988932).

The spelling of 13108801 in words is "thirteen million, one hundred eight thousand, eight hundred one".

Divisors: 1 71 184631 13108801