Search a number
-
+
13259389 = 111392723
BaseRepresentation
bin110010100101…
…001001111101
3220221122110111
4302211021331
511343300024
61152110021
7220463053
oct62451175
926848414
1013259389
117536a80
124535311
1329932c0
141a921d3
15126da94
hexca527d

13259389 has 8 divisors (see below), whose sum is σ = 15577632. Its totient is φ = 11126640.

The previous prime is 13259377. The next prime is 13259417. The reversal of 13259389 is 98395231.

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 13259389 - 219 = 12735101 is a prime.

It is a super-2 number, since 2×132593892 = 351622793306642, 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 (13259189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46219 + ... + 46504.

It is an arithmetic number, because the mean of its divisors is an integer number (1947204).

Almost surely, 213259389 is an apocalyptic number.

It is an amenable number.

13259389 is a deficient number, since it is larger than the sum of its proper divisors (2318243).

13259389 is a wasteful number, since it uses less digits than its factorization.

13259389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92747.

The product of its digits is 58320, while the sum is 40.

The square root of 13259389 is about 3641.3443945884. The cubic root of 13259389 is about 236.6870539425.

The spelling of 13259389 in words is "thirteen million, two hundred fifty-nine thousand, three hundred eighty-nine".

Divisors: 1 11 13 143 92723 1019953 1205399 13259389