13944455 has 16 divisors (see below), whose sum is σ = 19215360. Its totient is φ = 9516192.

The previous prime is 13944439. The next prime is 13944481. The reversal of 13944455 is 55444931.

13944455 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13944455 - 2⁴ = 13944439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

13944455 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7532 + ... + 9198.

It is an arithmetic number, because the mean of its divisors is an integer number (1200960).

Almost surely, 2^13944455 is an apocalyptic number.

13944455 is a deficient number, since it is larger than the sum of its proper divisors (5270905).

13944455 is a wasteful number, since it uses less digits than its factorization.

13944455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918.

The product of its digits is 43200, while the sum is 35.

The square root of 13944455 is about 3734.2274970869. The cubic root of 13944455 is about 240.6950626361.

The spelling of 13944455 in words is "thirteen million, nine hundred forty-four thousand, four hundred fifty-five".