Search a number
-
+
13246469 is a prime number
BaseRepresentation
bin110010100010…
…000000000101
3220220222201222
4302202000011
511342341334
61151530125
7220410305
oct62420005
926828658
1013246469
1175282a5
124529945
13298a462
141a8b605
151269d2e
hexca2005

13246469 has 2 divisors, whose sum is σ = 13246470. Its totient is φ = 13246468.

The previous prime is 13246463. The next prime is 13246489. The reversal of 13246469 is 96464231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13032100 + 214369 = 3610^2 + 463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13246469 is a prime.

It is a super-2 number, since 2×132464692 = 350937881935922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13246463) 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 as a sum of consecutive naturals, namely, 6623234 + 6623235.

It is an arithmetic number, because the mean of its divisors is an integer number (6623235).

Almost surely, 213246469 is an apocalyptic number.

It is an amenable number.

13246469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13246469 is an equidigital number, since it uses as much as digits as its factorization.

13246469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 13246469 is about 3639.5698921713. The cubic root of 13246469 is about 236.6101526988.

The spelling of 13246469 in words is "thirteen million, two hundred forty-six thousand, four hundred sixty-nine".