13443442 has 8 divisors (see below), whose sum is σ = 20199600. Its totient is φ = 6710244.

The previous prime is 13443407. The next prime is 13443467. The reversal of 13443442 is 24434431.

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

It is a super-2 number, since 2×13443442² = 361452265614728, which contains 22 as substring.

It is an unprimeable number.

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, 4192 + ... + 6667.

It is an arithmetic number, because the mean of its divisors is an integer number (2524950).

Almost surely, 2^13443442 is an apocalyptic number.

13443442 is a deficient number, since it is larger than the sum of its proper divisors (6756158).

13443442 is a wasteful number, since it uses less digits than its factorization.

13443442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11480.

The product of its digits is 4608, while the sum is 25.

The square root of 13443442 is about 3666.5299671488. The cubic root of 13443442 is about 237.7771729846. Note that the first 3 decimals are identical.

Adding to 13443442 its reverse (24434431), we get a palindrome (37877873).

It can be divided in two parts, 1 and 3443442, that added together give a palindrome (3443443).

The spelling of 13443442 in words is "thirteen million, four hundred forty-three thousand, four hundred forty-two".