13650044 has 36 divisors (see below), whose sum is σ = 25524072. Its totient is φ = 6383520.

The previous prime is 13650029. The next prime is 13650047. The reversal of 13650044 is 44005631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13650047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203699 + ... + 203765.

It is an arithmetic number, because the mean of its divisors is an integer number (709002).

Almost surely, 2^13650044 is an apocalyptic number.

It is an amenable number.

13650044 is a deficient number, since it is larger than the sum of its proper divisors (11874028).

13650044 is a wasteful number, since it uses less digits than its factorization.

13650044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 13650044 is about 3694.5965950290. The cubic root of 13650044 is about 238.9890578138.

Adding to 13650044 its reverse (44005631), we get a palindrome (57655675).

The spelling of 13650044 in words is "thirteen million, six hundred fifty thousand, forty-four".