13694656 has 56 divisors (see below), whose sum is σ = 29571696. Its totient is φ = 6266880.

The previous prime is 13694647. The next prime is 13694663. The reversal of 13694656 is 65649631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44455 + ... + 44761.

It is an arithmetic number, because the mean of its divisors is an integer number (528066).

Almost surely, 2^13694656 is an apocalyptic number.

13694656 is a gapful number since it is divisible by the number (16) 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 13694656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14785848).

13694656 is an abundant number, since it is smaller than the sum of its proper divisors (15877040).

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

13694656 is a wasteful number, since it uses less digits than its factorization.

13694656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 367 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 13694656 is about 3700.6291357011. The cubic root of 13694656 is about 239.2491347705.

The spelling of 13694656 in words is "thirteen million, six hundred ninety-four thousand, six hundred fifty-six".