13409473 has 8 divisors (see below), whose sum is σ = 16718400. Its totient is φ = 10448880.

The previous prime is 13409441. The next prime is 13409491. The reversal of 13409473 is 37490431.

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

It is a cyclic number.

It is not a de Polignac number, because 13409473 - 2⁵ = 13409441 is a prime.

It is a super-2 number, since 2×13409473² = 359627932275458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13401473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86998 + ... + 87151.

It is an arithmetic number, because the mean of its divisors is an integer number (2089800).

Almost surely, 2^13409473 is an apocalyptic number.

It is an amenable number.

13409473 is a deficient number, since it is larger than the sum of its proper divisors (3308927).

13409473 is a wasteful number, since it uses less digits than its factorization.

13409473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174167.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 13409473 is about 3661.8947281428. The cubic root of 13409473 is about 237.5767316242.

The spelling of 13409473 in words is "thirteen million, four hundred nine thousand, four hundred seventy-three".