Search a number
-
+
13327869 = 34442623
BaseRepresentation
bin110010110101…
…110111111101
3221002010101210
4302311313331
511402442434
61153355033
7221166522
oct62656775
927063353
1013327869
117583475
124568a79
1329b8519
141aad149
151283ee9
hexcb5dfd

13327869 has 4 divisors (see below), whose sum is σ = 17770496. Its totient is φ = 8885244.

The previous prime is 13327843. The next prime is 13327877. The reversal of 13327869 is 96872331.

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.

It is not a de Polignac number, because 13327869 - 215 = 13295101 is a prime.

It is a super-2 number, since 2×133278692 = 355264184162322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13327889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2221309 + ... + 2221314.

It is an arithmetic number, because the mean of its divisors is an integer number (4442624).

Almost surely, 213327869 is an apocalyptic number.

It is an amenable number.

13327869 is a deficient number, since it is larger than the sum of its proper divisors (4442627).

13327869 is an equidigital number, since it uses as much as digits as its factorization.

13327869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442626.

The product of its digits is 54432, while the sum is 39.

The square root of 13327869 is about 3650.7354053670. The cubic root of 13327869 is about 237.0938224554.

It can be divided in two parts, 13327 and 869, that added together give a triangular number (14196 = T168).

The spelling of 13327869 in words is "thirteen million, three hundred twenty-seven thousand, eight hundred sixty-nine".

Divisors: 1 3 4442623 13327869