13573320 has 32 divisors (see below), whose sum is σ = 40720320. Its totient is φ = 3619520.

The previous prime is 13573309. The next prime is 13573321. The reversal of 13573320 is 2337531.

13573320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13573321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56436 + ... + 56675.

It is an arithmetic number, because the mean of its divisors is an integer number (1272510).

Almost surely, 2^13573320 is an apocalyptic number.

13573320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13573320 is an abundant number, since it is smaller than the sum of its proper divisors (27147000).

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

13573320 is a wasteful number, since it uses less digits than its factorization.

13573320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113125 (or 113121 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 13573320 is about 3684.1986917103. The cubic root of 13573320 is about 238.5404473240.

The spelling of 13573320 in words is "thirteen million, five hundred seventy-three thousand, three hundred twenty".