Search a number
-
+
13023965 = 56434051
BaseRepresentation
bin110001101011…
…101011011101
3220111200112002
4301223223131
511313231330
61143052045
7215462513
oct61535335
926450462
1013023965
117396109
124441025
1329100b6
141a304b3
151223e45
hexc6badd

13023965 has 8 divisors (see below), whose sum is σ = 15656928. Its totient is φ = 10400400.

The previous prime is 13023961. The next prime is 13023971. The reversal of 13023965 is 56932031.

13023965 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13023965 - 22 = 13023961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023961) 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, 1190 + ... + 5240.

It is an arithmetic number, because the mean of its divisors is an integer number (1957116).

Almost surely, 213023965 is an apocalyptic number.

It is an amenable number.

13023965 is a deficient number, since it is larger than the sum of its proper divisors (2632963).

13023965 is an equidigital number, since it uses as much as digits as its factorization.

13023965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 13023965 is about 3608.8730928089. The cubic root of 13023965 is about 235.2778665798.

Adding to 13023965 its reverse (56932031), we get a palindrome (69955996).

The spelling of 13023965 in words is "thirteen million, twenty-three thousand, nine hundred sixty-five".

Divisors: 1 5 643 3215 4051 20255 2604793 13023965