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13145273 is a prime number
BaseRepresentation
bin110010001001…
…010010111001
3220201211220222
4302021102321
511331122043
61145425425
7216506261
oct62112271
926654828
1013145273
117469269
12449b275
13295338b
141a627a1
151249d68
hexc894b9

13145273 has 2 divisors, whose sum is σ = 13145274. Its totient is φ = 13145272.

The previous prime is 13145269. The next prime is 13145299. The reversal of 13145273 is 37254131.

It is an a-pointer prime, because the next prime (13145299) can be obtained adding 13145273 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10445824 + 2699449 = 3232^2 + 1643^2 .

It is an emirp because it is prime and its reverse (37254131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13145273 - 22 = 13145269 is a prime.

It is not a weakly prime, because it can be changed into another prime (13145203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6572636 + 6572637.

It is an arithmetic number, because the mean of its divisors is an integer number (6572637).

Almost surely, 213145273 is an apocalyptic number.

It is an amenable number.

13145273 is a deficient number, since it is larger than the sum of its proper divisors (1).

13145273 is an equidigital number, since it uses as much as digits as its factorization.

13145273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 13145273 is about 3625.6410467668. The cubic root of 13145273 is about 236.0060864561.

The spelling of 13145273 in words is "thirteen million, one hundred forty-five thousand, two hundred seventy-three".