13193361 has 10 divisors (see below), whose sum is σ = 19708722. Its totient is φ = 8795520.

The previous prime is 13193357. The next prime is 13193371. The reversal of 13193361 is 16339131.

It can be written as a sum of positive squares in only one way, i.e., 12383361 + 810000 = 3519^2 + 900^2 .

It is not a de Polignac number, because 13193361 - 2² = 13193357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13193371) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 81360 + ... + 81521.

Almost surely, 2^13193361 is an apocalyptic number.

It is an amenable number.

13193361 is a deficient number, since it is larger than the sum of its proper divisors (6515361).

13193361 is an equidigital number, since it uses as much as digits as its factorization.

13193361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162893 (or 162884 counting only the distinct ones).

The product of its digits is 1458, while the sum is 27.

The square root of 13193361 is about 3632.2666477009. The cubic root of 13193361 is about 236.2935218383.

The spelling of 13193361 in words is "thirteen million, one hundred ninety-three thousand, three hundred sixty-one".