13103404444 has 12 divisors (see below), whose sum is σ = 24694877704. Its totient is φ = 6047725104.

The previous prime is 13103404427. The next prime is 13103404453. The reversal of 13103404444 is 44440430131.

It is a happy number.

It is a congruent number.

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, 125994222 + ... + 125994325.

Almost surely, 2^13103404444 is an apocalyptic number.

It is an amenable number.

13103404444 is a deficient number, since it is larger than the sum of its proper divisors (11591473260).

13103404444 is a wasteful number, since it uses less digits than its factorization.

13103404444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251988564 (or 251988562 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 13103404444 its reverse (44440430131), we get a palindrome (57543834575).

The spelling of 13103404444 in words is "thirteen billion, one hundred three million, four hundred four thousand, four hundred forty-four".