13481944 has 32 divisors (see below), whose sum is σ = 30412800. Its totient is φ = 5473440.

The previous prime is 13481929. The next prime is 13481947. The reversal of 13481944 is 44918431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13481947) 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, 5272 + ... + 7399.

It is an arithmetic number, because the mean of its divisors is an integer number (950400).

Almost surely, 2^13481944 is an apocalyptic number.

13481944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13481944 is an abundant number, since it is smaller than the sum of its proper divisors (16930856).

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

13481944 is a wasteful number, since it uses less digits than its factorization.

13481944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12703 (or 12699 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 13481944 is about 3671.7766816624. The cubic root of 13481944 is about 238.0039544573.

The spelling of 13481944 in words is "thirteen million, four hundred eighty-one thousand, nine hundred forty-four".