13930418 has 8 divisors (see below), whose sum is σ = 21087660. Its totient is φ = 6901200.

The previous prime is 13930417. The next prime is 13930421. The reversal of 13930418 is 81403931.

It can be written as a sum of positive squares in 2 ways, for example, as 12061729 + 1868689 = 3473^2 + 1367^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13930417) 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 3 ways as a sum of consecutive naturals, for example, 31733 + ... + 32168.

Almost surely, 2^13930418 is an apocalyptic number.

13930418 is a deficient number, since it is larger than the sum of its proper divisors (7157242).

13930418 is a wasteful number, since it uses less digits than its factorization.

13930418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64012.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 13930418 is about 3732.3475186536. The cubic root of 13930418 is about 240.6142713606.

The spelling of 13930418 in words is "thirteen million, nine hundred thirty thousand, four hundred eighteen".