13858465 has 4 divisors (see below), whose sum is σ = 16630164. Its totient is φ = 11086768.

The previous prime is 13858447. The next prime is 13858469. The reversal of 13858465 is 56485831.

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 7447441 + 6411024 = 2729^2 + 2532^2 .

It is a cyclic number.

It is not a de Polignac number, because 13858465 - 2⁷ = 13858337 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13858469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385842 + ... + 1385851.

It is an arithmetic number, because the mean of its divisors is an integer number (4157541).

Almost surely, 2^13858465 is an apocalyptic number.

It is an amenable number.

13858465 is a deficient number, since it is larger than the sum of its proper divisors (2771699).

13858465 is an equidigital number, since it uses as much as digits as its factorization.

13858465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771698.

The product of its digits is 115200, while the sum is 40.

The square root of 13858465 is about 3722.6959317140. The cubic root of 13858465 is about 240.1992847090.

The spelling of 13858465 in words is "thirteen million, eight hundred fifty-eight thousand, four hundred sixty-five".