13944760 has 32 divisors (see below), whose sum is σ = 33222960. Its totient is φ = 5249536.

The previous prime is 13944757. The next prime is 13944769. The reversal of 13944760 is 6744931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13944769) 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 7 ways as a sum of consecutive naturals, for example, 9574 + ... + 10933.

Almost surely, 2^13944760 is an apocalyptic number.

13944760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13944760 is an abundant number, since it is smaller than the sum of its proper divisors (19278200).

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

13944760 is a wasteful number, since it uses less digits than its factorization.

13944760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20535 (or 20531 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 13944760 is about 3734.2683352968. The cubic root of 13944760 is about 240.6968174904.

The spelling of 13944760 in words is "thirteen million, nine hundred forty-four thousand, seven hundred sixty".