13004434 has 8 divisors (see below), whose sum is σ = 19522188. Its totient is φ = 6497040.

The previous prime is 13004393. The next prime is 13004449. The reversal of 13004434 is 43440031.

13004434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10272025 + 2732409 = 3205^2 + 1653^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2764 + ... + 5800.

Almost surely, 2^13004434 is an apocalyptic number.

13004434 is a deficient number, since it is larger than the sum of its proper divisors (6517754).

13004434 is a wasteful number, since it uses less digits than its factorization.

13004434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 13004434 is about 3606.1661082097. The cubic root of 13004434 is about 235.1601986000.

Adding to 13004434 its reverse (43440031), we get a palindrome (56444465).

The spelling of 13004434 in words is "thirteen million, four thousand, four hundred thirty-four".