13199315 has 4 divisors (see below), whose sum is σ = 15839184. Its totient is φ = 10559448.

The previous prime is 13199267. The next prime is 13199317. The reversal of 13199315 is 51399131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13199315 - 2¹² = 13195219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13199317) 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, 1319927 + ... + 1319936.

It is an arithmetic number, because the mean of its divisors is an integer number (3959796).

Almost surely, 2^13199315 is an apocalyptic number.

13199315 is a deficient number, since it is larger than the sum of its proper divisors (2639869).

13199315 is an equidigital number, since it uses as much as digits as its factorization.

13199315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639868.

The product of its digits is 3645, while the sum is 32.

The square root of 13199315 is about 3633.0861536716. The cubic root of 13199315 is about 236.3290619367.

The spelling of 13199315 in words is "thirteen million, one hundred ninety-nine thousand, three hundred fifteen".