13009198 has 4 divisors (see below), whose sum is σ = 19513800. Its totient is φ = 6504598.

The previous prime is 13009169. The next prime is 13009207. The reversal of 13009198 is 89190031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89190031 = 7 ⋅12741433.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3252298 + ... + 3252301.

It is an arithmetic number, because the mean of its divisors is an integer number (4878450).

Almost surely, 2^13009198 is an apocalyptic number.

13009198 is a deficient number, since it is larger than the sum of its proper divisors (6504602).

13009198 is an equidigital number, since it uses as much as digits as its factorization.

13009198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504601.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 13009198 is about 3606.8265830228. The cubic root of 13009198 is about 235.1889110225.

The spelling of 13009198 in words is "thirteen million, nine thousand, one hundred ninety-eight".