13189478 has 8 divisors (see below), whose sum is σ = 19988472. Its totient is φ = 6526656.

The previous prime is 13189453. The next prime is 13189483. The reversal of 13189478 is 87498131.

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

It is a congruent number.

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, 33800 + ... + 34187.

It is an arithmetic number, because the mean of its divisors is an integer number (2498559).

Almost surely, 2^13189478 is an apocalyptic number.

13189478 is a deficient number, since it is larger than the sum of its proper divisors (6798994).

13189478 is an equidigital number, since it uses as much as digits as its factorization.

13189478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68086.

The product of its digits is 48384, while the sum is 41.

The square root of 13189478 is about 3631.7320936435. The cubic root of 13189478 is about 236.2703380119.

The spelling of 13189478 in words is "thirteen million, one hundred eighty-nine thousand, four hundred seventy-eight".