13409199 has 16 divisors (see below), whose sum is σ = 19974240. Its totient is φ = 8890560.

The previous prime is 13409177. The next prime is 13409251. The reversal of 13409199 is 99190431.

It is not a de Polignac number, because 13409199 - 2⁹ = 13408687 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13409119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4059 + ... + 6579.

It is an arithmetic number, because the mean of its divisors is an integer number (1248390).

Almost surely, 2^13409199 is an apocalyptic number.

13409199 is a deficient number, since it is larger than the sum of its proper divisors (6565041).

13409199 is a wasteful number, since it uses less digits than its factorization.

13409199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727 (or 2721 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 13409199 is about 3661.8573156255. The cubic root of 13409199 is about 237.5751134530.

The spelling of 13409199 in words is "thirteen million, four hundred nine thousand, one hundred ninety-nine".