13111465 has 4 divisors (see below), whose sum is σ = 15733764. Its totient is φ = 10489168.

The previous prime is 13111433. The next prime is 13111477. The reversal of 13111465 is 56411131.

13111465 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56411131 = 7 ⋅8058733.

It can be written as a sum of positive squares in 2 ways, for example, as 6205081 + 6906384 = 2491^2 + 2628^2 .

It is a cyclic number.

It is not a de Polignac number, because 13111465 - 2⁵ = 13111433 is a prime.

It is a Duffinian 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, 1311142 + ... + 1311151.

It is an arithmetic number, because the mean of its divisors is an integer number (3933441).

Almost surely, 2^13111465 is an apocalyptic number.

It is an amenable number.

13111465 is a deficient number, since it is larger than the sum of its proper divisors (2622299).

13111465 is an equidigital number, since it uses as much as digits as its factorization.

13111465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622298.

The product of its digits is 360, while the sum is 22.

The square root of 13111465 is about 3620.9756972396. The cubic root of 13111465 is about 235.8035866982.

Adding to 13111465 its reverse (56411131), we get a palindrome (69522596).

The spelling of 13111465 in words is "thirteen million, one hundred eleven thousand, four hundred sixty-five".