13066944 has 112 divisors (see below), whose sum is σ = 39502080. Its totient is φ = 3773440.

The previous prime is 13066919. The next prime is 13066951. The reversal of 13066944 is 44966031.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 48442 + ... + 48710.

Almost surely, 2^13066944 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 13066944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19751040).

13066944 is an abundant number, since it is smaller than the sum of its proper divisors (26435136).

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

13066944 is a wasteful number, since it uses less digits than its factorization.

13066944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 13066944 is about 3614.8228172346. The cubic root of 13066944 is about 235.5363875599.

The spelling of 13066944 in words is "thirteen million, sixty-six thousand, nine hundred forty-four".