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13227041 = 109121349
BaseRepresentation
bin110010011101…
…010000100001
3220220000002102
4302131100201
511341231131
61151300145
7220266542
oct62352041
926800072
1013227041
117514743
12451a655
132981669
141a844c9
1512641cb
hexc9d421

13227041 has 4 divisors (see below), whose sum is σ = 13348500. Its totient is φ = 13105584.

The previous prime is 13227031. The next prime is 13227077. The reversal of 13227041 is 14072231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14072231 = 24158391.

It can be written as a sum of positive squares in 2 ways, for example, as 5387041 + 7840000 = 2321^2 + 2800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13227041 is a prime.

It is a super-2 number, since 2×132270412 = 349909227231362, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13227031) 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, 60566 + ... + 60783.

It is an arithmetic number, because the mean of its divisors is an integer number (3337125).

Almost surely, 213227041 is an apocalyptic number.

It is an amenable number.

13227041 is a deficient number, since it is larger than the sum of its proper divisors (121459).

13227041 is a wasteful number, since it uses less digits than its factorization.

13227041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121458.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 13227041 is about 3636.8999161374. The cubic root of 13227041 is about 236.4944209463.

Adding to 13227041 its reverse (14072231), we get a palindrome (27299272).

The spelling of 13227041 in words is "thirteen million, two hundred twenty-seven thousand, forty-one".

Divisors: 1 109 121349 13227041