13409173 has 8 divisors (see below), whose sum is σ = 13801536. Its totient is φ = 13020000.

The previous prime is 13409153. The next prime is 13409177. The reversal of 13409173 is 37190431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13409173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13409177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9640 + ... + 10942.

It is an arithmetic number, because the mean of its divisors is an integer number (1725192).

Almost surely, 2^13409173 is an apocalyptic number.

It is an amenable number.

13409173 is a deficient number, since it is larger than the sum of its proper divisors (392363).

13409173 is a wasteful number, since it uses less digits than its factorization.

13409173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 13409173 is about 3661.8537655128. The cubic root of 13409173 is about 237.5749599028.

The spelling of 13409173 in words is "thirteen million, four hundred nine thousand, one hundred seventy-three".