13040434 has 8 divisors (see below), whose sum is σ = 21338928. Its totient is φ = 5927460.

The previous prime is 13040381. The next prime is 13040449. The reversal of 13040434 is 43404031.

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, 296352 + ... + 296395.

It is an arithmetic number, because the mean of its divisors is an integer number (2667366).

Almost surely, 2^13040434 is an apocalyptic number.

13040434 is a deficient number, since it is larger than the sum of its proper divisors (8298494).

13040434 is a wasteful number, since it uses less digits than its factorization.

13040434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592760.

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

The square root of 13040434 is about 3611.1541091457. The cubic root of 13040434 is about 235.3769956107.

Adding to 13040434 its reverse (43404031), we get a palindrome (56444465).

The spelling of 13040434 in words is "thirteen million, forty thousand, four hundred thirty-four".