13478783 has 8 divisors (see below), whose sum is σ = 13705200. Its totient is φ = 13254208.

The previous prime is 13478779. The next prime is 13478797. The reversal of 13478783 is 38787431.

13478783 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13478783 - 2² = 13478779 is a prime.

It is a super-2 number, since 2×13478783² = 363355182322178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13478783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13478723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23660 + ... + 24222.

It is an arithmetic number, because the mean of its divisors is an integer number (1713150).

Almost surely, 2^13478783 is an apocalyptic number.

13478783 is a deficient number, since it is larger than the sum of its proper divisors (226417).

13478783 is an equidigital number, since it uses as much as digits as its factorization.

13478783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921.

The product of its digits is 112896, while the sum is 41.

The square root of 13478783 is about 3671.3462108605. The cubic root of 13478783 is about 237.9853520632.

The spelling of 13478783 in words is "thirteen million, four hundred seventy-eight thousand, seven hundred eighty-three".