13198973 has 8 divisors (see below), whose sum is σ = 14024280. Its totient is φ = 12398400.

The previous prime is 13198957. The next prime is 13198981. The reversal of 13198973 is 37989131.

It can be written as a sum of positive squares in 4 ways, for example, as 3694084 + 9504889 = 1922^2 + 3083^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13198973 - 2⁴ = 13198957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13198973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13198903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5078 + ... + 7223.

It is an arithmetic number, because the mean of its divisors is an integer number (1753035).

Almost surely, 2^13198973 is an apocalyptic number.

It is an amenable number.

13198973 is a deficient number, since it is larger than the sum of its proper divisors (825307).

13198973 is a wasteful number, since it uses less digits than its factorization.

13198973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12367.

The product of its digits is 40824, while the sum is 41.

The square root of 13198973 is about 3633.0390859444. The cubic root of 13198973 is about 236.3270207895.

The spelling of 13198973 in words is "thirteen million, one hundred ninety-eight thousand, nine hundred seventy-three".