13208940 has 96 divisors (see below), whose sum is σ = 41872320. Its totient is φ = 3456000.

The previous prime is 13208917. The next prime is 13208957. The reversal of 13208940 is 4980231.

13208940 is digitally balanced in base 2 and base 4, because in such bases 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 (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32740 + ... + 33140.

It is an arithmetic number, because the mean of its divisors is an integer number (436170).

Almost surely, 2^13208940 is an apocalyptic number.

13208940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13208940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20936160).

13208940 is an abundant number, since it is smaller than the sum of its proper divisors (28663380).

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

13208940 is a wasteful number, since it uses less digits than its factorization.

13208940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 13208940 is about 3634.4105436783. The cubic root of 13208940 is about 236.3864920520.

The spelling of 13208940 in words is "thirteen million, two hundred eight thousand, nine hundred forty".