13662044 has 12 divisors (see below), whose sum is σ = 26082168. Its totient is φ = 6210000.

The previous prime is 13662043. The next prime is 13662053. The reversal of 13662044 is 44026631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13662043) by changing a digit.

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, 155207 + ... + 155294.

It is an arithmetic number, because the mean of its divisors is an integer number (2173514).

Almost surely, 2^13662044 is an apocalyptic number.

It is an amenable number.

13662044 is a deficient number, since it is larger than the sum of its proper divisors (12420124).

13662044 is a wasteful number, since it uses less digits than its factorization.

13662044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310516 (or 310514 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 13662044 is about 3696.2202315338. The cubic root of 13662044 is about 239.0590704992.

Adding to 13662044 its reverse (44026631), we get a palindrome (57688675).

The spelling of 13662044 in words is "thirteen million, six hundred sixty-two thousand, forty-four".