13411865 has 4 divisors (see below), whose sum is σ = 16094244. Its totient is φ = 10729488.

The previous prime is 13411847. The next prime is 13411877. The reversal of 13411865 is 56811431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56811431 = 71 ⋅800161.

It can be written as a sum of positive squares in 2 ways, for example, as 1926544 + 11485321 = 1388^2 + 3389^2 .

It is a cyclic number.

It is not a de Polignac number, because 13411865 - 2⁸ = 13411609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341182 + ... + 1341191.

It is an arithmetic number, because the mean of its divisors is an integer number (4023561).

Almost surely, 2^13411865 is an apocalyptic number.

It is an amenable number.

13411865 is a deficient number, since it is larger than the sum of its proper divisors (2682379).

13411865 is an equidigital number, since it uses as much as digits as its factorization.

13411865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682378.

The product of its digits is 2880, while the sum is 29.

The square root of 13411865 is about 3662.2213204557. The cubic root of 13411865 is about 237.5908572043.

The spelling of 13411865 in words is "thirteen million, four hundred eleven thousand, eight hundred sixty-five".