13934578 has 8 divisors (see below), whose sum is σ = 23887872. Its totient is φ = 5971956.

The previous prime is 13934563. The next prime is 13934579. The reversal of 13934578 is 87543931.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13934578.

It is not an unprimeable number, because it can be changed into a prime (13934579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497650 + ... + 497677.

It is an arithmetic number, because the mean of its divisors is an integer number (2985984).

Almost surely, 2^13934578 is an apocalyptic number.

13934578 is a deficient number, since it is larger than the sum of its proper divisors (9953294).

13934578 is an equidigital number, since it uses as much as digits as its factorization.

13934578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995336.

The product of its digits is 90720, while the sum is 40.

The square root of 13934578 is about 3732.9047670681. The cubic root of 13934578 is about 240.6382202890.

The spelling of 13934578 in words is "thirteen million, nine hundred thirty-four thousand, five hundred seventy-eight".