13473520 has 40 divisors (see below), whose sum is σ = 33171984. Its totient is φ = 5071872.

The previous prime is 13473517. The next prime is 13473521. The reversal of 13473520 is 2537431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13473521) 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, 3594 + ... + 6313.

Almost surely, 2^13473520 is an apocalyptic number.

13473520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13473520 is an abundant number, since it is smaller than the sum of its proper divisors (19698464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13473520 is a wasteful number, since it uses less digits than its factorization.

13473520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9937 (or 9931 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 13473520 is about 3670.6293738268. The cubic root of 13473520 is about 237.9543730061.

The spelling of 13473520 in words is "thirteen million, four hundred seventy-three thousand, five hundred twenty".