Search a number
-
+
13246513 = 72270337
BaseRepresentation
bin110010100010…
…000000110001
3220220222210121
4302202000301
511342342023
61151530241
7220410400
oct62420061
926828717
1013246513
117528335
124529981
13298a497
141a8b637
151269d5d
hexca2031

13246513 has 6 divisors (see below), whose sum is σ = 15409266. Its totient is φ = 11354112.

The previous prime is 13246511. The next prime is 13246529. The reversal of 13246513 is 31564231.

It can be written as a sum of positive squares in only one way, i.e., 12794929 + 451584 = 3577^2 + 672^2 .

It is not a de Polignac number, because 13246513 - 21 = 13246511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13246511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135120 + ... + 135217.

It is an arithmetic number, because the mean of its divisors is an integer number (2568211).

Almost surely, 213246513 is an apocalyptic number.

It is an amenable number.

13246513 is a deficient number, since it is larger than the sum of its proper divisors (2162753).

13246513 is an equidigital number, since it uses as much as digits as its factorization.

13246513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270351 (or 270344 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 13246513 is about 3639.5759368366. The cubic root of 13246513 is about 236.6104146764.

The spelling of 13246513 in words is "thirteen million, two hundred forty-six thousand, five hundred thirteen".

Divisors: 1 7 49 270337 1892359 13246513