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13245365 = 57378439
BaseRepresentation
bin110010100001…
…101110110101
3220220221020002
4302201232311
511342322430
61151521045
7220404140
oct62415665
926827202
1013245365
117527491
124529185
132989ac3
141a8b057
151269845
hexca1bb5

13245365 has 8 divisors (see below), whose sum is σ = 18165120. Its totient is φ = 9082512.

The previous prime is 13245361. The next prime is 13245367. The reversal of 13245365 is 56354231.

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 13245365 - 22 = 13245361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13245361) 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, 189185 + ... + 189254.

It is an arithmetic number, because the mean of its divisors is an integer number (2270640).

Almost surely, 213245365 is an apocalyptic number.

It is an amenable number.

13245365 is a deficient number, since it is larger than the sum of its proper divisors (4919755).

13245365 is an equidigital number, since it uses as much as digits as its factorization.

13245365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378451.

The product of its digits is 10800, while the sum is 29.

The square root of 13245365 is about 3639.4182227384. The cubic root of 13245365 is about 236.6035792523.

Adding to 13245365 its reverse (56354231), we get a palindrome (69599596).

The spelling of 13245365 in words is "thirteen million, two hundred forty-five thousand, three hundred sixty-five".

Divisors: 1 5 7 35 378439 1892195 2649073 13245365