13444404 has 24 divisors (see below), whose sum is σ = 31963680. Its totient is φ = 4396704.

The previous prime is 13444373. The next prime is 13444469. The reversal of 13444404 is 40444431.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9934 + ... + 11205.

It is an arithmetic number, because the mean of its divisors is an integer number (1331820).

Almost surely, 2^13444404 is an apocalyptic number.

It is an amenable number.

13444404 is an abundant number, since it is smaller than the sum of its proper divisors (18519276).

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

13444404 is a wasteful number, since it uses less digits than its factorization.

13444404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21199 (or 21197 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 13444404 is about 3666.6611515110. The cubic root of 13444404 is about 237.7828445526.

Adding to 13444404 its reverse (40444431), we get a palindrome (53888835).

The spelling of 13444404 in words is "thirteen million, four hundred forty-four thousand, four hundred four".