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13233841 is a prime number
BaseRepresentation
bin110010011110…
…111010110001
3220220100102021
4302132322301
511341440331
61151351441
7220325425
oct62367261
926810367
1013233841
117519865
124522581
13298479a
141a86b85
151266211
hexc9eeb1

13233841 has 2 divisors, whose sum is σ = 13233842. Its totient is φ = 13233840.

The previous prime is 13233839. The next prime is 13233851. The reversal of 13233841 is 14833231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12988816 + 245025 = 3604^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 13233841 - 21 = 13233839 is a prime.

It is a super-2 number, since 2×132338412 = 350269095226562, which contains 22 as substring.

Together with 13233839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13233811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616920 + 6616921.

It is an arithmetic number, because the mean of its divisors is an integer number (6616921).

Almost surely, 213233841 is an apocalyptic number.

It is an amenable number.

13233841 is a deficient number, since it is larger than the sum of its proper divisors (1).

13233841 is an equidigital number, since it uses as much as digits as its factorization.

13233841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 13233841 is about 3637.8346581449. The cubic root of 13233841 is about 236.5349411341.

The spelling of 13233841 in words is "thirteen million, two hundred thirty-three thousand, eight hundred forty-one".