13434965 has 4 divisors (see below), whose sum is σ = 16121964. Its totient is φ = 10747968.

The previous prime is 13434943. The next prime is 13434973. The reversal of 13434965 is 56943431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56943431 = 73 ⋅780047.

It can be written as a sum of positive squares in 2 ways, for example, as 3411409 + 10023556 = 1847^2 + 3166^2 .

It is a cyclic number.

It is not a de Polignac number, because 13434965 - 2²⁰ = 12386389 is a prime.

It is a Duffinian number.

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, 1343492 + ... + 1343501.

It is an arithmetic number, because the mean of its divisors is an integer number (4030491).

Almost surely, 2^13434965 is an apocalyptic number.

It is an amenable number.

13434965 is a deficient number, since it is larger than the sum of its proper divisors (2686999).

13434965 is an equidigital number, since it uses as much as digits as its factorization.

13434965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686998.

The product of its digits is 38880, while the sum is 35.

The square root of 13434965 is about 3665.3737872146. The cubic root of 13434965 is about 237.7271842761.

The spelling of 13434965 in words is "thirteen million, four hundred thirty-four thousand, nine hundred sixty-five".