13444446 has 8 divisors (see below), whose sum is σ = 26888904. Its totient is φ = 4481480.

The previous prime is 13444373. The next prime is 13444469. The reversal of 13444446 is 64444431.

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

13444446 is an admirable number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120365 + ... + 1120376.

It is an arithmetic number, because the mean of its divisors is an integer number (3361113).

Almost surely, 2^13444446 is an apocalyptic number.

13444446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13444446 is a wasteful number, since it uses less digits than its factorization.

13444446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240746.

The product of its digits is 18432, while the sum is 30.

The square root of 13444446 is about 3666.6668787879. Note that the first 3 decimals coincide. The cubic root of 13444446 is about 237.7830921616.

Adding to 13444446 its reverse (64444431), we get a palindrome (77888877).

The spelling of 13444446 in words is "thirteen million, four hundred forty-four thousand, four hundred forty-six".