13044505 has 8 divisors (see below), whose sum is σ = 15721992. Its totient is φ = 10389888.

The previous prime is 13044497. The next prime is 13044511. The reversal of 13044505 is 50544031.

It can be written as a sum of positive squares in 4 ways, for example, as 5184 + 13039321 = 72^2 + 3611^2 .

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 13044505 - 2³ = 13044497 is a prime.

It is a super-2 number, since 2×13044505² = 340318221390050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4434 + ... + 6763.

It is an arithmetic number, because the mean of its divisors is an integer number (1965249).

Almost surely, 2^13044505 is an apocalyptic number.

It is an amenable number.

13044505 is a deficient number, since it is larger than the sum of its proper divisors (2677487).

13044505 is a wasteful number, since it uses less digits than its factorization.

13044505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11435.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 13044505 is about 3611.7177353719. The cubic root of 13044505 is about 235.4014866170.

Adding to 13044505 its reverse (50544031), we get a palindrome (63588536).

The spelling of 13044505 in words is "thirteen million, forty-four thousand, five hundred five".