13944419 has 4 divisors (see below), whose sum is σ = 13958880. Its totient is φ = 13929960.

The previous prime is 13944407. The next prime is 13944439. The reversal of 13944419 is 91444931.

13944419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13944419 - 2¹⁶ = 13878883 is a prime.

It is a super-2 number, since 2×13944419² = 388893642495122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13944439) 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, 5672 + ... + 7749.

It is an arithmetic number, because the mean of its divisors is an integer number (3489720).

Almost surely, 2^13944419 is an apocalyptic number.

13944419 is a deficient number, since it is larger than the sum of its proper divisors (14461).

13944419 is a wasteful number, since it uses less digits than its factorization.

13944419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14460.

The product of its digits is 15552, while the sum is 35.

The square root of 13944419 is about 3734.2226768097. Note that the first 3 decimals coincide. The cubic root of 13944419 is about 240.6948555041.

The spelling of 13944419 in words is "thirteen million, nine hundred forty-four thousand, four hundred nineteen".