13855469 has 4 divisors (see below), whose sum is σ = 13879200. Its totient is φ = 13831740.

The previous prime is 13855447. The next prime is 13855519. The reversal of 13855469 is 96455831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96455831 = 3847 ⋅25073.

It is a cyclic number.

It is not a de Polignac number, because 13855469 - 2¹² = 13851373 is a prime.

It is a super-2 number, since 2×13855469² = 383948042419922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13855409) 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, 10967 + ... + 12164.

It is an arithmetic number, because the mean of its divisors is an integer number (3469800).

Almost surely, 2^13855469 is an apocalyptic number.

It is an amenable number.

13855469 is a deficient number, since it is larger than the sum of its proper divisors (23731).

13855469 is an equidigital number, since it uses as much as digits as its factorization.

13855469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23730.

The product of its digits is 129600, while the sum is 41.

The square root of 13855469 is about 3722.2935134135. The cubic root of 13855469 is about 240.1819742560.

The spelling of 13855469 in words is "thirteen million, eight hundred fifty-five thousand, four hundred sixty-nine".