13835669 has 4 divisors (see below), whose sum is σ = 14209644. Its totient is φ = 13461696.

The previous prime is 13835663. The next prime is 13835707. The reversal of 13835669 is 96653831.

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 10176100 + 3659569 = 3190^2 + 1913^2 .

It is a cyclic number.

It is not a de Polignac number, because 13835669 - 2⁸ = 13835413 is a prime.

It is a super-2 number, since 2×13835669² = 382851473355122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13835663) 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, 186932 + ... + 187005.

It is an arithmetic number, because the mean of its divisors is an integer number (3552411).

Almost surely, 2^13835669 is an apocalyptic number.

It is an amenable number.

13835669 is a deficient number, since it is larger than the sum of its proper divisors (373975).

13835669 is an equidigital number, since it uses as much as digits as its factorization.

13835669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373974.

The product of its digits is 116640, while the sum is 41.

The square root of 13835669 is about 3719.6329119955. The cubic root of 13835669 is about 240.0675099434.

The spelling of 13835669 in words is "thirteen million, eight hundred thirty-five thousand, six hundred sixty-nine".