13333198 has 4 divisors (see below), whose sum is σ = 19999800. Its totient is φ = 6666598.

The previous prime is 13333189. The next prime is 13333211. The reversal of 13333198 is 89133331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89133331 = 7 ⋅12733333.

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, 3333298 + ... + 3333301.

It is an arithmetic number, because the mean of its divisors is an integer number (4999950).

Almost surely, 2^13333198 is an apocalyptic number.

13333198 is a deficient number, since it is larger than the sum of its proper divisors (6666602).

13333198 is an equidigital number, since it uses as much as digits as its factorization.

13333198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666601.

The product of its digits is 5832, while the sum is 31.

The square root of 13333198 is about 3651.4651853742. The cubic root of 13333198 is about 237.1254180196.

It can be divided in two parts, 13333 and 198, that added together give a palindrome (13531).

The spelling of 13333198 in words is "thirteen million, three hundred thirty-three thousand, one hundred ninety-eight".