13056449 has 8 divisors (see below), whose sum is σ = 15325248. Its totient is φ = 10888560.

The previous prime is 13056437. The next prime is 13056499. The reversal of 13056449 is 94465031.

13056449 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13056449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13056419) 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, 24947 + ... + 25464.

It is an arithmetic number, because the mean of its divisors is an integer number (1915656).

Almost surely, 2^13056449 is an apocalyptic number.

It is an amenable number.

13056449 is a deficient number, since it is larger than the sum of its proper divisors (2268799).

13056449 is an equidigital number, since it uses as much as digits as its factorization.

13056449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50455.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 13056449 is about 3613.3708638887. The cubic root of 13056449 is about 235.4733119475.

The spelling of 13056449 in words is "thirteen million, fifty-six thousand, four hundred forty-nine".