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13323313 = 19701227
BaseRepresentation
bin110010110100…
…110000110001
3221001220011001
4302310300301
511402321223
61153322001
7221150323
oct62646061
927056131
1013323313
117580003
124566301
1329b6423
141aab613
hexcb4c31

13323313 has 4 divisors (see below), whose sum is σ = 14024560. Its totient is φ = 12622068.

The previous prime is 13323287. The next prime is 13323337. The reversal of 13323313 is 31332331.

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.

It is a cyclic number.

It is not a de Polignac number, because 13323313 - 213 = 13315121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 701227 = 13323313 / (1 + 3 + 3 + 2 + 3 + 3 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13323413) 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 in 3 ways as a sum of consecutive naturals, for example, 350595 + ... + 350632.

It is an arithmetic number, because the mean of its divisors is an integer number (3506140).

Almost surely, 213323313 is an apocalyptic number.

It is an amenable number.

13323313 is a deficient number, since it is larger than the sum of its proper divisors (701247).

13323313 is an equidigital number, since it uses as much as digits as its factorization.

13323313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701246.

The product of its digits is 486, while the sum is 19.

The square root of 13323313 is about 3650.1113681640. Note that the first 3 decimals coincide. The cubic root of 13323313 is about 237.0668033182.

Adding to 13323313 its reverse (31332331), we get a palindrome (44655644).

It can be divided in two parts, 1332331 and 3, that multiplied together give a palindrome (3996993).

The spelling of 13323313 in words is "thirteen million, three hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 19 701227 13323313