13445044 has 12 divisors (see below), whose sum is σ = 23554944. Its totient is φ = 6715064.

The previous prime is 13445039. The next prime is 13445059. The reversal of 13445044 is 44054431.

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, 4989 + ... + 7195.

It is an arithmetic number, because the mean of its divisors is an integer number (1962912).

Almost surely, 2^13445044 is an apocalyptic number.

It is an amenable number.

13445044 is a deficient number, since it is larger than the sum of its proper divisors (10109900).

13445044 is a wasteful number, since it uses less digits than its factorization.

13445044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734 (or 3732 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 13445044 is about 3666.7484233309. The cubic root of 13445044 is about 237.7866175872.

Adding to 13445044 its reverse (44054431), we get a palindrome (57499475).

The spelling of 13445044 in words is "thirteen million, four hundred forty-five thousand, forty-four".