13964443 has 4 divisors (see below), whose sum is σ = 13973128. Its totient is φ = 13955760.

The previous prime is 13964441. The next prime is 13964453. The reversal of 13964443 is 34446931.

13964443 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13964443 - 2¹ = 13964441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13964399 and 13964408.

It is not an unprimeable number, because it can be changed into a prime (13964441) 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, 1146 + ... + 5407.

It is an arithmetic number, because the mean of its divisors is an integer number (3493282).

Almost surely, 2^13964443 is an apocalyptic number.

13964443 is a deficient number, since it is larger than the sum of its proper divisors (8685).

13964443 is an equidigital number, since it uses as much as digits as its factorization.

13964443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8684.

The product of its digits is 31104, while the sum is 34.

The square root of 13964443 is about 3736.9028619968. The cubic root of 13964443 is about 240.8100119364.

The spelling of 13964443 in words is "thirteen million, nine hundred sixty-four thousand, four hundred forty-three".