13944406 has 16 divisors (see below), whose sum is σ = 24357024. Its totient is φ = 5863104.

The previous prime is 13944401. The next prime is 13944407. The reversal of 13944406 is 60444931.

13944406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13944401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8655 + ... + 10138.

It is an arithmetic number, because the mean of its divisors is an integer number (1522314).

Almost surely, 2^13944406 is an apocalyptic number.

13944406 is a deficient number, since it is larger than the sum of its proper divisors (10412618).

13944406 is a wasteful number, since it uses less digits than its factorization.

13944406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18855.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 13944406 is about 3734.2209361525. The cubic root of 13944406 is about 240.6947807063.

The spelling of 13944406 in words is "thirteen million, nine hundred forty-four thousand, four hundred six".