13044409 has 8 divisors (see below), whose sum is σ = 14952960. Its totient is φ = 11147136.

The previous prime is 13044407. The next prime is 13044433. The reversal of 13044409 is 90444031.

It is a happy number.

13044409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13044409 - 2¹ = 13044407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13044407) 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, 169 + ... + 5110.

It is an arithmetic number, because the mean of its divisors is an integer number (1869120).

Almost surely, 2^13044409 is an apocalyptic number.

It is an amenable number.

13044409 is a deficient number, since it is larger than the sum of its proper divisors (1908551).

13044409 is an equidigital number, since it uses as much as digits as its factorization.

13044409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13044409 is about 3611.7044452723. The cubic root of 13044409 is about 235.4009091427.

The spelling of 13044409 in words is "thirteen million, forty-four thousand, four hundred nine".