13485920 has 48 divisors (see below), whose sum is σ = 36415008. Its totient is φ = 4623360.

The previous prime is 13485917. The next prime is 13485929. The reversal of 13485920 is 2958431.

13485920 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 (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13485929) 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, 4901 + ... + 7140.

It is an arithmetic number, because the mean of its divisors is an integer number (758646).

Almost surely, 2^13485920 is an apocalyptic number.

13485920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13485920 is an abundant number, since it is smaller than the sum of its proper divisors (22929088).

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

13485920 is a wasteful number, since it uses less digits than its factorization.

13485920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12063 (or 12055 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 13485920 is about 3672.3180690131. The cubic root of 13485920 is about 238.0273489745.

The spelling of 13485920 in words is "thirteen million, four hundred eighty-five thousand, nine hundred twenty".