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13243341 = 34414447
BaseRepresentation
bin110010100001…
…001111001101
3220220211110010
4302201033031
511342241331
61151503433
7220365216
oct62411715
926824403
1013243341
117525a11
124527b79
132988bc7
141a8a40d
151268e46
hexca13cd

13243341 has 4 divisors (see below), whose sum is σ = 17657792. Its totient is φ = 8828892.

The previous prime is 13243339. The next prime is 13243381. The reversal of 13243341 is 14334231.

13243341 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14334231 = 34778077.

It is not a de Polignac number, because 13243341 - 21 = 13243339 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2207221 + ... + 2207226.

It is an arithmetic number, because the mean of its divisors is an integer number (4414448).

Almost surely, 213243341 is an apocalyptic number.

It is an amenable number.

13243341 is a deficient number, since it is larger than the sum of its proper divisors (4414451).

13243341 is an equidigital number, since it uses as much as digits as its factorization.

13243341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414450.

The product of its digits is 864, while the sum is 21.

The square root of 13243341 is about 3639.1401456938. The cubic root of 13243341 is about 236.5915269850.

Adding to 13243341 its reverse (14334231), we get a palindrome (27577572).

The spelling of 13243341 in words is "thirteen million, two hundred forty-three thousand, three hundred forty-one".

Divisors: 1 3 4414447 13243341