13434445 has 4 divisors (see below), whose sum is σ = 16121340. Its totient is φ = 10747552.

The previous prime is 13434427. The next prime is 13434451. The reversal of 13434445 is 54443431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2232036 + 11202409 = 1494^2 + 3347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13434445 is a prime.

It is a congruent number.

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, 1343440 + ... + 1343449.

It is an arithmetic number, because the mean of its divisors is an integer number (4030335).

Almost surely, 2^13434445 is an apocalyptic number.

It is an amenable number.

13434445 is a deficient number, since it is larger than the sum of its proper divisors (2686895).

13434445 is an equidigital number, since it uses as much as digits as its factorization.

13434445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686894.

The product of its digits is 11520, while the sum is 28.

The square root of 13434445 is about 3665.3028524257. The cubic root of 13434445 is about 237.7241171616.

Adding to 13434445 its reverse (54443431), we get a palindrome (67877876).

The spelling of 13434445 in words is "thirteen million, four hundred thirty-four thousand, four hundred forty-five".