13366944 has 96 divisors (see below), whose sum is σ = 39674880. Its totient is φ = 4432320.

The previous prime is 13366919. The next prime is 13366949. The reversal of 13366944 is 44966331.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13366899 and 13366908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13366949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69889 + ... + 70079.

It is an arithmetic number, because the mean of its divisors is an integer number (413280).

Almost surely, 2^13366944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13366944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19837440).

13366944 is an abundant number, since it is smaller than the sum of its proper divisors (26307936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13366944 is an frugal number, since it uses more digits than its factorization.

13366944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 196 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 13366944 is about 3656.0831500391. The cubic root of 13366944 is about 237.3253023696.

The spelling of 13366944 in words is "thirteen million, three hundred sixty-six thousand, nine hundred forty-four".