13118398 has 8 divisors (see below), whose sum is σ = 20713320. Its totient is φ = 6213960.

The previous prime is 13118393. The next prime is 13118419. The reversal of 13118398 is 89381131.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13118393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172573 + ... + 172648.

It is an arithmetic number, because the mean of its divisors is an integer number (2589165).

Almost surely, 2^13118398 is an apocalyptic number.

13118398 is a deficient number, since it is larger than the sum of its proper divisors (7594922).

13118398 is a wasteful number, since it uses less digits than its factorization.

13118398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345242.

The product of its digits is 5184, while the sum is 34.

The square root of 13118398 is about 3621.9329093731. The cubic root of 13118398 is about 235.8451416325.

It can be divided in two parts, 1311 and 8398, that multiplied together give a triangular number (11009778 = T₄₆₉₂).

The spelling of 13118398 in words is "thirteen million, one hundred eighteen thousand, three hundred ninety-eight".