13198478 has 16 divisors (see below), whose sum is σ = 20151936. Its totient is φ = 6482400.

The previous prime is 13198459. The next prime is 13198489. The reversal of 13198478 is 87489131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44900 + ... + 45192.

It is an arithmetic number, because the mean of its divisors is an integer number (1259496).

Almost surely, 2^13198478 is an apocalyptic number.

13198478 is a deficient number, since it is larger than the sum of its proper divisors (6953458).

13198478 is a wasteful number, since it uses less digits than its factorization.

13198478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619.

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

The square root of 13198478 is about 3632.9709605225. The cubic root of 13198478 is about 236.3240664349.

The spelling of 13198478 in words is "thirteen million, one hundred ninety-eight thousand, four hundred seventy-eight".