13706928 has 40 divisors (see below), whose sum is σ = 39345200. Its totient is φ = 4568832.

The previous prime is 13706881. The next prime is 13706933. The reversal of 13706928 is 82960731.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13706892 and 13706901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15433 + ... + 16296.

It is an arithmetic number, because the mean of its divisors is an integer number (983630).

Almost surely, 2^13706928 is an apocalyptic number.

13706928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13706928 is an abundant number, since it is smaller than the sum of its proper divisors (25638272).

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

13706928 is a wasteful number, since it uses less digits than its factorization.

13706928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31746 (or 31734 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 13706928 is about 3702.2868608470. The cubic root of 13706928 is about 239.3205784247.

The spelling of 13706928 in words is "thirteen million, seven hundred six thousand, nine hundred twenty-eight".