13309193 has 6 divisors (see below), whose sum is σ = 13422474. Its totient is φ = 13196624.

The previous prime is 13309169. The next prime is 13309213. The reversal of 13309193 is 39190331.

It can be written as a sum of positive squares in only one way, i.e., 9653449 + 3655744 = 3107^2 + 1912^2 .

It is not a de Polignac number, because 13309193 - 2²⁰ = 12260617 is a prime.

It is a super-2 number, since 2×13309193² = 354269236622498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13309393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55568 + ... + 55806.

It is an arithmetic number, because the mean of its divisors is an integer number (2237079).

Almost surely, 2^13309193 is an apocalyptic number.

It is an amenable number.

13309193 is a deficient number, since it is larger than the sum of its proper divisors (113281).

13309193 is an frugal number, since it uses more digits than its factorization.

13309193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 29.

The square root of 13309193 is about 3648.1766678712. The cubic root of 13309193 is about 236.9830261957.

The spelling of 13309193 in words is "thirteen million, three hundred nine thousand, one hundred ninety-three".