13530343 has 2 divisors, whose sum is σ = 13530344. Its totient is φ = 13530342.

The previous prime is 13530329. The next prime is 13530347. The reversal of 13530343 is 34303531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13530343 - 2⁵ = 13530311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13530347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765171 + 6765172.

It is an arithmetic number, because the mean of its divisors is an integer number (6765172).

Almost surely, 2^13530343 is an apocalyptic number.

13530343 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530343 is an equidigital number, since it uses as much as digits as its factorization.

13530343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 13530343 is about 3678.3614558659. The cubic root of 13530343 is about 238.2884187889.

Adding to 13530343 its reverse (34303531), we get a palindrome (47833874).

The spelling of 13530343 in words is "thirteen million, five hundred thirty thousand, three hundred forty-three".