13551044 has 24 divisors (see below), whose sum is σ = 25646208. Its totient is φ = 6228000.

The previous prime is 13551037. The next prime is 13551049. The reversal of 13551044 is 44015531.

13551044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17669 + ... + 18419.

It is an arithmetic number, because the mean of its divisors is an integer number (1068592).

Almost surely, 2^13551044 is an apocalyptic number.

It is an amenable number.

13551044 is a deficient number, since it is larger than the sum of its proper divisors (12095164).

13551044 is a wasteful number, since it uses less digits than its factorization.

13551044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 13551044 is about 3681.1742691701. The cubic root of 13551044 is about 238.4098814651.

Adding to 13551044 its reverse (44015531), we get a palindrome (57566575).

The spelling of 13551044 in words is "thirteen million, five hundred fifty-one thousand, forty-four".