13199345 has 4 divisors (see below), whose sum is σ = 15839220. Its totient is φ = 10559472.

The previous prime is 13199341. The next prime is 13199359. The reversal of 13199345 is 54399131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54399131 = 163 ⋅333737.

It can be written as a sum of positive squares in 2 ways, for example, as 4443664 + 8755681 = 2108^2 + 2959^2 .

It is a cyclic number.

It is not a de Polignac number, because 13199345 - 2² = 13199341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13199341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319930 + ... + 1319939.

It is an arithmetic number, because the mean of its divisors is an integer number (3959805).

Almost surely, 2^13199345 is an apocalyptic number.

It is an amenable number.

13199345 is a deficient number, since it is larger than the sum of its proper divisors (2639875).

13199345 is an equidigital number, since it uses as much as digits as its factorization.

13199345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639874.

The product of its digits is 14580, while the sum is 35.

The square root of 13199345 is about 3633.0902823905. The cubic root of 13199345 is about 236.3292409831.

The spelling of 13199345 in words is "thirteen million, one hundred ninety-nine thousand, three hundred forty-five".