13504473 has 12 divisors (see below), whose sum is σ = 20354880. Its totient is φ = 8611416.

The previous prime is 13504471. The next prime is 13504481. The reversal of 13504473 is 37440531.

It is not a de Polignac number, because 13504473 - 2¹ = 13504471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13504471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32413 + ... + 32826.

It is an arithmetic number, because the mean of its divisors is an integer number (1696240).

Almost surely, 2^13504473 is an apocalyptic number.

It is an amenable number.

13504473 is a deficient number, since it is larger than the sum of its proper divisors (6850407).

13504473 is a wasteful number, since it uses less digits than its factorization.

13504473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65268 (or 65265 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 13504473 is about 3674.8432619637. The cubic root of 13504473 is about 238.1364528354.

The spelling of 13504473 in words is "thirteen million, five hundred four thousand, four hundred seventy-three".