13784461 has 6 divisors (see below), whose sum is σ = 14168490. Its totient is φ = 13410576.

The previous prime is 13784431. The next prime is 13784471. The reversal of 13784461 is 16448731.

It is a happy number.

13784461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 5978025 + 7806436 = 2445^2 + 2794^2 .

It is not a de Polignac number, because 13784461 - 2⁷ = 13784333 is a prime.

It is a super-2 number, since 2×13784461² = 380022730121042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13784401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3666 + ... + 6403.

It is an arithmetic number, because the mean of its divisors is an integer number (2361415).

Almost surely, 2^13784461 is an apocalyptic number.

It is an amenable number.

13784461 is a deficient number, since it is larger than the sum of its proper divisors (384029).

13784461 is an equidigital number, since it uses as much as digits as its factorization.

13784461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143 (or 10106 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 13784461 is about 3712.7430560167. The cubic root of 13784461 is about 239.7709678466.

The spelling of 13784461 in words is "thirteen million, seven hundred eighty-four thousand, four hundred sixty-one".