13708840 has 32 divisors (see below), whose sum is σ = 31142880. Its totient is φ = 5430592.

The previous prime is 13708829. The next prime is 13708841. The reversal of 13708840 is 4880731.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13708841) 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, 2679 + ... + 5881.

It is an arithmetic number, because the mean of its divisors is an integer number (973215).

Almost surely, 2^13708840 is an apocalyptic number.

13708840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13708840 is an abundant number, since it is smaller than the sum of its proper divisors (17434040).

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

13708840 is a wasteful number, since it uses less digits than its factorization.

13708840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321 (or 3317 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 13708840 is about 3702.5450706237. The cubic root of 13708840 is about 239.3317056364.

The spelling of 13708840 in words is "thirteen million, seven hundred eight thousand, eight hundred forty".