13944530 has 8 divisors (see below), whose sum is σ = 25100172. Its totient is φ = 5577808.

The previous prime is 13944529. The next prime is 13944569. The reversal of 13944530 is 3544931.

13944530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13830961 + 113569 = 3719^2 + 337^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13944493 and 13944502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697217 + ... + 697236.

Almost surely, 2^13944530 is an apocalyptic number.

13944530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13944530 is a deficient number, since it is larger than the sum of its proper divisors (11155642).

13944530 is a wasteful number, since it uses less digits than its factorization.

13944530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394460.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 13944530 is about 3734.2375393111. The cubic root of 13944530 is about 240.6954941600.

The spelling of 13944530 in words is "thirteen million, nine hundred forty-four thousand, five hundred thirty".