13417385 has 4 divisors (see below), whose sum is σ = 16100868. Its totient is φ = 10733904.

The previous prime is 13417381. The next prime is 13417387. The reversal of 13417385 is 58371431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58371431 = 433 ⋅134807.

It can be written as a sum of positive squares in 2 ways, for example, as 9320809 + 4096576 = 3053^2 + 2024^2 .

It is a cyclic number.

It is not a de Polignac number, because 13417385 - 2² = 13417381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13417381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341734 + ... + 1341743.

It is an arithmetic number, because the mean of its divisors is an integer number (4025217).

Almost surely, 2^13417385 is an apocalyptic number.

It is an amenable number.

13417385 is a deficient number, since it is larger than the sum of its proper divisors (2683483).

13417385 is an equidigital number, since it uses as much as digits as its factorization.

13417385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683482.

The product of its digits is 10080, while the sum is 32.

The square root of 13417385 is about 3662.9748838888. The cubic root of 13417385 is about 237.6234482880.

The spelling of 13417385 in words is "thirteen million, four hundred seventeen thousand, three hundred eighty-five".