13430343 has 4 divisors (see below), whose sum is σ = 17907128. Its totient is φ = 8953560.

The previous prime is 13430303. The next prime is 13430369. The reversal of 13430343 is 34303431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13430343 - 2⁶ = 13430279 is a prime.

It is a super-2 number, since 2×13430343² = 360748226195298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430303) 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, 2238388 + ... + 2238393.

It is an arithmetic number, because the mean of its divisors is an integer number (4476782).

Almost surely, 2^13430343 is an apocalyptic number.

13430343 is a deficient number, since it is larger than the sum of its proper divisors (4476785).

13430343 is an equidigital number, since it uses as much as digits as its factorization.

13430343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476784.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 13430343 is about 3664.7432379363. The cubic root of 13430343 is about 237.6999195711.

Adding to 13430343 its reverse (34303431), we get a palindrome (47733774).

The spelling of 13430343 in words is "thirteen million, four hundred thirty thousand, three hundred forty-three".