13044805 has 8 divisors (see below), whose sum is σ = 15777792. Its totient is φ = 10353168.

The previous prime is 13044799. The next prime is 13044821. The reversal of 13044805 is 50844031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13044805 - 2⁹ = 13044293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13044805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9637 + ... + 10906.

It is an arithmetic number, because the mean of its divisors is an integer number (1972224).

Almost surely, 2^13044805 is an apocalyptic number.

It is an amenable number.

13044805 is a deficient number, since it is larger than the sum of its proper divisors (2732987).

13044805 is a wasteful number, since it uses less digits than its factorization.

13044805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20675.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 13044805 is about 3611.7592666179. The cubic root of 13044805 is about 235.4032912059.

Adding to 13044805 its reverse (50844031), we get a palindrome (63888836).

The spelling of 13044805 in words is "thirteen million, forty-four thousand, eight hundred five".