13443242 has 8 divisors (see below), whose sum is σ = 20441316. Its totient is φ = 6629472.

The previous prime is 13443239. The next prime is 13443253. The reversal of 13443242 is 24234431.

It can be written as a sum of positive squares in 2 ways, for example, as 13184161 + 259081 = 3631^2 + 509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45893 + ... + 46184.

Almost surely, 2^13443242 is an apocalyptic number.

13443242 is a deficient number, since it is larger than the sum of its proper divisors (6998074).

13443242 is an equidigital number, since it uses as much as digits as its factorization.

13443242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92152.

The product of its digits is 2304, while the sum is 23.

The square root of 13443242 is about 3666.5026933033. The cubic root of 13443242 is about 237.7759938305.

Adding to 13443242 its reverse (24234431), we get a palindrome (37677673).

The spelling of 13443242 in words is "thirteen million, four hundred forty-three thousand, two hundred forty-two".